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Blogroll | Top


List of posts by date of publication | Top

  1. Python version of Semi-parametric option pricing based on underlying's historical data (accepted at the osQF 2026 (ex R/Finance) conference)
  2. Semi-parametric option pricing based on underlying's historical data (accepted at the osQF 2026 (ex R/Finance) conference)
  3. Model-agnostic prediction intervals in Python and R: does nnetsauce's QuantileRegressor hold up?
  4. ahead (Time Series Forecasting with uncertainty quantification) gets a lot faster to install: most dependencies are now optional
  5. Skip the R/Python runtime: fast tabular dashboards with Observable Framework
  6. PCARVFL vs CTGAN for synthetic tabular data generation on an insurance pricing dataset
  7. 'Zero-Shot Probabilistic Stock Returns Forecasting with Pretrained RVFL Networks' accepted at COPA 2026 (and to appear in the Proceedings of Machine Learning Research)
  8. 'PCARVFLSimulator': a GAN-like tabular data synthesizer built from PCA scores, a Random Vector Functional-Link network, and residuals bootstrapping
  9. 'garchf': GARCH probabilistic forecasting with package 'forecast'-style interface (and 'rugarch' under the hood)
  10. GPopt for R: Bayesian and conformal optimization of black-box functions and hyperparameter tuning
  11. My last R posts: How conformalization helps weak models, fast conformal prediction with jackknife+ (and no refitting), and sklearn in R
  12. Natively Interpretable Boosting
  13. Fast conformal prediction (no refitting) for some Machine Learning models via closed-form jackknife plus
  14. Using scikit-learn models in R easily with the tisthemachinelearner package
  15. No-Code Machine Learning in Excel with the Techtonique API
  16. How Conformal Prediction Makes Linear Models Good Enough — An Example Using R Package mlS3
  17. Techtonique dot net, the Machine Learning web API, is back online (but more like a passion project for now)
  18. Conformalized TabICL: Prediction Intervals for a State-Of-The-Art Tabular Foundation Model in Python and R
  19. Conformalized TabPFN: Prediction Intervals for a Pretrained Transformer for Tabular Data in Python and R
  20. Probabilistic Time Series Cross-Validation with R package crossvalidation
  21. One interface, (Almost) Every Classifier (and Regressor): unifiedml v0.3.0
  22. You Don't Need to Learn All the Weights on tabular data: The Case for rvflnet (a nonlinear expressive glmnet) on regression, classification and survival analysis
  23. Survival analysis with sklearn, glmnet, keras, pytorch, lightgbm, xgboost, nnetsauce, mlsauce Part 2
  24. Any Sklearn Regressor as a Survival Model — Does It Actually Work? Benchmarking vs Established Packages
  25. Conformal Optimization Beats Bayesian Optimization, Optuna and Random Search on 72 classification Datasets
  26. `mlS3` — A Unified S3 Machine Learning Interface in R
  27. One interface, (Almost) Every Classifier: unifiedml v0.2.1
  28. Techtonique dot net is down until further notice
  29. Explaining Time-Series Forecasts with Sensitivity Analysis (ahead::dynrmf and external regressors)
  30. Python version of 'Option pricing using time series models as market price of risk Pt.3'
  31. Option pricing using time series models as market price of risk Pt.3
  32. Explaining Time-Series Forecasts with Exact Shapley Values (ahead::dynrmf with external regressors applied to scenarios)
  33. My Presentation at Risk 2026: Lightweight Transfer Learning for Financial Forecasting
  34. nnetsauce with and without jax for GPU acceleration
  35. Understanding Boosted Configuration Networks (combined neural networks and boosting): An Intuitive Guide Through Their Hyperparameters
  36. R version of Python package survivalist, for model-agnostic survival analysis
  37. Presenting Lightweight Transfer Learning for Financial Forecasting (Risk 2026)
  38. Option pricing using time series models as market price of risk
  39. Enhancing Time Series Forecasting (ahead::ridge2f) with Attention-Based Context Vectors (ahead::contextridge2f)
  40. Overfitting and scaling (on GPU T4) tests on nnetsauce.CustomRegressor
  41. Beyond Cross-validation: Hyperparameter Optimization via Generalization Gap Modeling
  42. GPopt for Machine Learning (hyperparameters' tuning)
  43. rtopy: an R to Python bridge -- novelties
  44. Python examples for 'Beyond Nelson-Siegel and splines: A model- agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation'
  45. Forecasting benchmark: Dynrmf (a new serious competitor in town) vs Theta Method on M-Competitions and Tourism competitition
  46. Finally figured out a way to port python packages to R using uv and reticulate: example with nnetsauce
  47. Overfitting Random Fourier Features: Universal Approximation Property
  48. Counterfactual Scenario Analysis with ahead::ridge2f
  49. Zero-Shot Probabilistic Time Series Forecasting with TabPFN 2.5 and nnetsauce
  50. ARIMA Pricing: Semi-Parametric Market price of risk for Risk-Neutral Pricing (code + preprint)
  51. Analyzing Paper Reviews with LLMs: I Used ChatGPT, DeepSeek, Qwen, Mistral, Gemini, and Claude (and you should too + publish the analysis)
  52. tisthemachinelearner: New Workflow with uv for R Integration of scikit-learn
  53. (ICYMI) RPweave: Unified R + Python + LaTeX System using uv
  54. unifiedml: A Unified Machine Learning Interface for R, is now on CRAN + Discussion about AI replacing humans
  55. Context-aware Theta forecasting Method: Extending Classical Time Series Forecasting with Machine Learning
  56. unifiedml in R: A Unified Machine Learning Interface
  57. Deterministic Shift Adjustment in Arbitrage-Free Pricing (historical to risk-neutral short rates)
  58. New instantaneous short rates models with their deterministic shift adjustment, for historical and risk-neutral simulation
  59. RPweave: Unified R + Python + LaTeX System using uv
  60. GAN-like Synthetic Data Generation Examples (on univariate, multivariate distributions, digits recognition, Fashion-MNIST, stock returns, and Olivetti faces) with DistroSimulator
  61. R port of llama2.c
  62. Native uncertainty quantification for time series with NGBoost
  63. NGBoost (Natural Gradient Boosting) for Regression, Classification, Time Series forecasting and Reserving
  64. Real-time pricing with a pretrained probabilistic stock return model
  65. Combining any model with GARCH(1,1) for probabilistic stock forecasting
  66. Generating Synthetic Data with R-vine Copulas using esgtoolkit in R
  67. Reimagining Equity Solvency Capital Requirement Approximation (one of my Master's Thesis subjects): From Bilinear Interpolation to Probabilistic Machine Learning
  68. Transfer Learning using ahead::ridge2f on synthetic stocks returns Pt.2: synthetic data generation
  69. Transfer Learning using ahead::ridge2f on synthetic stocks returns
  70. I'm supposed to present 'Conformal Predictive Simulations for Univariate Time Series' at COPA CONFERENCE 2025 in London...
  71. external regressors in ahead::dynrmf's interface for Machine learning forecasting
  72. Another interesting decision, now for 'Beyond Nelson-Siegel and splines: A model-agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation'
  73. Boosting any randomized based learner for regression, classification and univariate/multivariate time series forcasting
  74. New nnetsauce version with CustomBackPropRegressor (CustomRegressor with Backpropagation) and ElasticNet2Regressor (Ridge2 with ElasticNet regularization)
  75. mlsauce (home to a model-agnostic gradient boosting algorithm) can now be installed from PyPI.
  76. A user-friendly graphical interface to techtonique dot net's API (will eventually contain graphics).
  77. Calling =TECHTO_MLCLASSIFICATION for Machine Learning supervised CLASSIFICATION in Excel is just a matter of copying and pasting
  78. Calling =TECHTO_MLREGRESSION for Machine Learning supervised regression in Excel is just a matter of copying and pasting
  79. Calling =TECHTO_RESERVING and =TECHTO_MLRESERVING for claims triangle reserving in Excel is just a matter of copying and pasting
  80. Calling =TECHTO_SURVIVAL for Survival Analysis in Excel is just a matter of copying and pasting
  81. Calling =TECHTO_SIMULATION for Stochastic Simulation in Excel is just a matter of copying and pasting
  82. Calling =TECHTO_FORECAST for forecasting in Excel is just a matter of copying and pasting
  83. Random Vector Functional Link (RVFL) artificial neural network with 2 regularization parameters successfully used for forecasting/synthetic simulation in professional settings: Extensions (including Bayesian)
  84. R version of 'Backpropagating quasi-randomized neural networks'
  85. Backpropagating quasi-randomized neural networks
  86. Beyond ARMA-GARCH: leveraging any statistical model for volatility forecasting
  87. Stacked generalization (Machine Learning model stacking) + conformal prediction for forecasting with ahead::mlf
  88. An Overfitting dilemma: XGBoost Default Hyperparameters vs GenericBooster + LinearRegression Default Hyperparameters
  89. Programming language-agnostic reserving using RidgeCV, LightGBM, XGBoost, and ExtraTrees Machine Learning models
  90. Free R, Python and SQL editors in techtonique dot net
  91. Beyond Nelson-Siegel and splines: A model-agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation
  92. scikit-learn, glmnet, xgboost, lightgbm, pytorch, keras, nnetsauce in probabilistic Machine Learning (for longitudinal data) Reserving (work in progress)
  93. R version of Probabilistic Machine Learning (for longitudinal data) Reserving (work in progress)
  94. Probabilistic Machine Learning (for longitudinal data) Reserving (work in progress)
  95. Python version of Beyond ARMA-GARCH: leveraging model-agnostic Quasi-Randomized networks and conformal prediction for nonparametric probabilistic stock forecasting (ML-ARCH)
  96. Beyond ARMA-GARCH: leveraging model-agnostic Machine Learning and conformal prediction for nonparametric probabilistic stock forecasting (ML-ARCH)
  97. Permutations and SHAPley values for feature importance in techtonique dot net's API (with R + Python + the command line)
  98. Which patient is going to survive longer? Another guide to using techtonique dot net's API (with R + Python + the command line) for survival analysis
  99. A Guide to Using techtonique.net's API and rush for simulating and plotting Stochastic Scenarios
  100. Simulating Stochastic Scenarios with Diffusion Models: A Guide to Using techtonique.net's API for the purpose
  101. Will my apartment in 5th avenue be overpriced or not? Harnessing the power of www.techtonique.net (+ xgboost, lightgbm, catboost) to find out
  102. How long must I wait until something happens: A Comprehensive Guide to Survival Analysis via an API
  103. Harnessing the Power of techtonique.net: A Comprehensive Guide to Machine Learning Classification via an API
  104. Quantile regression with any regressor -- Examples with RandomForestRegressor, RidgeCV, KNeighborsRegressor
  105. Survival stacking: survival analysis translated as supervised classification in R and Python
  106. 'Bayesian' optimization of hyperparameters in a R machine learning model using the bayesianrvfl package
  107. A lightweight interface to scikit-learn in R: Bayesian and Conformal prediction
  108. A lightweight interface to scikit-learn in R Pt.2: probabilistic time series forecasting in conjunction with ahead::dynrmf
  109. Extending the Theta forecasting method to GLMs, GAMs, GLMBOOST and attention: benchmarking on Tourism, M1, M3 and M4 competition data sets (28000 series)
  110. Extending the Theta forecasting method to GLMs and attention
  111. Nonlinear conformalized Generalized Linear Models (GLMs) with R package 'rvfl' (and other models)
  112. Probabilistic Time Series Forecasting (predictive simulations) in Microsoft Excel using Python, xlwings lite and www.techtonique.net
  113. Conformalize (improved prediction intervals and simulations) any R Machine Learning model with misc::conformalize
  114. My poster for the 18th FINANCIAL RISKS INTERNATIONAL FORUM by Institut Louis Bachelier/Fondation du Risque/Europlace Institute of Finance
  115. Interpretable probabilistic kernel ridge regression using Matérn 3/2 kernels
  116. (News from) Probabilistic Forecasting of univariate and multivariate Time Series using Quasi-Randomized Neural Networks (Ridge2) and Conformal Prediction
  117. Word-Online: re-creating Karpathy's char-RNN (with supervised linear online learning of word embeddings) for text completion
  118. CRAN-like repository for most recent releases of Techtonique's R packages
  119. Presenting 'Online Probabilistic Estimation of Carbon Beta and Carbon Shapley Values for Financial and Climate Risk' at Institut Louis Bachelier
  120. Web app with DeepSeek R1 and Hugging Face API for chatting
  121. tisthemachinelearner: A Lightweight interface to scikit-learn with 2 classes, Classifier and Regressor (in Python and R)
  122. R version of survivalist: Probabilistic model-agnostic survival analysis using scikit-learn, xgboost, lightgbm (and conformal prediction)
  123. Model-agnostic global Survival Prediction of Patients with Myeloid Leukemia in QRT/Gustave Roussy Challenge (challengedata.ens.fr): Python's survivalist Quickstart
  124. A simple test of the martingale hypothesis in esgtoolkit
  125. Command Line Interface (CLI) for techtonique.net's API
  126. Gradient-Boosting and Boostrap aggregating anything (alert: high performance): Part5, easier install and Rust backend
  127. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on? Part2: 1311 time series from the Tourism competition
  128. Techtonique is released! (with a tutorial in various programming languages and formats)
  129. Univariate and Multivariate Probabilistic Forecasting with nnetsauce and TabPFN
  130. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on?
  131. Python and Interactive dashboard version of Stock price forecasting with Deep Learning: throwing power at the problem (and why it won't make you rich)
  132. Stock price forecasting with Deep Learning: throwing power at the problem (and why it won't make you rich)
  133. No-code Machine Learning Cross-validation and Interpretability in techtonique.net
  134. survivalist: Probabilistic model-agnostic survival analysis using scikit-learn, glmnet, xgboost, lightgbm, pytorch, keras, nnetsauce and mlsauce
  135. Model-agnostic 'Bayesian' optimization (for hyperparameter tuning) using conformalized surrogates in GPopt
  136. You can beat Forecasting LLMs (Large Language Models a.k.a foundation models) with nnetsauce.MTS Pt.2: Generic Gradient Boosting
  137. You can beat Forecasting LLMs (Large Language Models a.k.a foundation models) with nnetsauce.MTS
  138. Unified interface and conformal prediction (calibrated prediction intervals) for R package forecast (and 'affiliates')
  139. GLMNet in Python: Generalized Linear Models
  140. Gradient-Boosting anything (alert: high performance): Part4, Time series forecasting
  141. Predictive scenarios simulation in R, Python and Excel using Techtonique API
  142. Chat with your tabular data in www.techtonique.net
  143. Gradient-Boosting anything (alert: high performance): Part3, Histogram-based boosting
  144. R editor and SQL console (in addition to Python editors) in www.techtonique.net
  145. R and Python consoles + JupyterLite in www.techtonique.net
  146. Gradient-Boosting anything (alert: high performance): Part2, R version
  147. Gradient-Boosting anything (alert: high performance)
  148. Benchmarking 30 statistical/Machine Learning models on the VN1 Forecasting -- Accuracy challenge
  149. Automated random variable distribution inference using Kullback-Leibler divergence and simulating best-fitting distribution
  150. Forecasting in Excel using Techtonique's Machine Learning APIs under the hood
  151. Techtonique web app for data-driven decisions using Mathematics, Statistics, Machine Learning, and Data Visualization
  152. Parallel for loops (Map or Reduce) + New versions of nnetsauce and ahead
  153. Adaptive (online/streaming) learning with uncertainty quantification using Polyak averaging in learningmachine
  154. New versions of nnetsauce and ahead
  155. Prediction sets and prediction intervals for conformalized Auto XGBoost, Auto LightGBM, Auto CatBoost, Auto GradientBoosting
  156. Quick/automated R package development workflow (assuming you're using macOS or Linux) Part2
  157. R package development workflow (assuming you're using macOS or Linux)
  158. A new method for deriving a nonparametric confidence interval for the mean
  159. Conformalized adaptive (online/streaming) learning using learningmachine in Python and R
  160. Bayesian (nonlinear) adaptive learning
  161. Auto XGBoost, Auto LightGBM, Auto CatBoost, Auto GradientBoosting
  162. Copulas for uncertainty quantification in time series forecasting
  163. Forecasting uncertainty: sequential split conformal prediction + Block bootstrap (web app)
  164. learningmachine for Python (new version)
  165. learningmachine v2.0.0: Machine Learning with explanations and uncertainty quantification
  166. My presentation at ISF 2024 conference (slides with nnetsauce probabilistic forecasting news)
  167. 10 uncertainty quantification methods in nnetsauce forecasting
  168. Forecasting with XGBoost embedded in Quasi-Randomized Neural Networks
  169. Forecasting Monthly Airline Passenger Numbers with Quasi-Randomized Neural Networks
  170. Automated hyperparameter tuning using any conformalized surrogate
  171. Recognizing handwritten digits with Ridge2Classifier
  172. Forecasting the Economy
  173. A detailed introduction to Deep Quasi-Randomized 'neural' networks
  174. Probability of receiving a loan; using learningmachine
  175. mlsauce's `v0.18.2`: various examples and benchmarks with dimension reduction
  176. mlsauce's `v0.17.0`: boosting with Elastic Net, polynomials and heterogeneity in explanatory variables
  177. mlsauce's `v0.13.0`: taking into account inputs heterogeneity through clustering
  178. mlsauce's `v0.12.0`: prediction intervals for LSBoostRegressor
  179. Conformalized predictive simulations for univariate time series on more than 250 data sets
  180. learningmachine v1.1.2: for Python
  181. learningmachine v1.0.0: prediction intervals around the probability of the event 'a tumor being malignant'
  182. Bayesian inference and conformal prediction (prediction intervals) in nnetsauce v0.18.1
  183. Multiple examples of Machine Learning forecasting with ahead
  184. rtopy (v0.1.1): calling R functions in Python
  185. ahead forecasting (v0.10.0): fast time series model calibration and Python plots
  186. A plethora of datasets at your fingertips Part3: how many times do couples cheat on each other?
  187. nnetsauce's introduction as of 2024-02-11 (new version 0.17.0)
  188. Tuning Machine Learning models with GPopt's new version Part 2
  189. Tuning Machine Learning models with GPopt's new version
  190. Subsampling continuous and discrete response variables
  191. DeepMTS, a Deep Learning Model for Multivariate Time Series
  192. A classifier that's very accurate (and deep) Pt.2: there are > 90 classifiers in nnetsauce
  193. learningmachine: prediction intervals for conformalized Kernel ridge regression and Random Forest
  194. A plethora of datasets at your fingertips Part2: how many times do couples cheat on each other? Descriptive analytics, interpretability and prediction intervals using conformal prediction
  195. Diffusion models in Python with esgtoolkit (Part2)
  196. Diffusion models in Python with esgtoolkit
  197. Julia packaging at the command line
  198. Quasi-randomized nnetworks in Julia, Python and R
  199. A plethora of datasets at your fingertips
  200. A classifier that's very accurate (and deep)
  201. mlsauce version 0.8.10: Statistical/Machine Learning with Python and R
  202. AutoML in nnetsauce (randomized and quasi-randomized nnetworks) Pt.2: multivariate time series forecasting
  203. AutoML in nnetsauce (randomized and quasi-randomized nnetworks)
  204. Version v0.14.0 of nnetsauce for R and Python
  205. A diffusion model: G2++
  206. Diffusion models in ESGtoolkit + announcements
  207. An infinity of time series forecasting models in nnetsauce (Part 2 with uncertainty quantification)
  208. (News from) forecasting in Python with ahead (progress bars and plots)
  209. Forecasting in Python with ahead
  210. Risk-neutralize simulations
  211. Comparing cross-validation results using crossval_ml and boxplots
  212. Reminder
  213. Did you ask ChatGPT about who you are?
  214. A new version of nnetsauce (randomized and quasi-randomized 'neural' networks)
  215. Simple interfaces to the forecasting API
  216. A web application for forecasting in Python, R, Ruby, C#, JavaScript, PHP, Go, Rust, Java, MATLAB, etc.
  217. Prediction intervals (not only) for Boosted Configuration Networks in Python
  218. Boosted Configuration (neural) Networks Pt. 2
  219. Boosted Configuration (_neural_) Networks for classification
  220. A Machine Learning workflow using Techtonique
  221. Super Mario Bros © in the browser using PyScript
  222. News from ESGtoolkit, ycinterextra, and nnetsauce
  223. Explaining a Keras _neural_ network predictions with the-teller
  224. New version of nnetsauce -- various quasi-randomized networks
  225. A dashboard illustrating bivariate time series forecasting with `ahead`
  226. Hundreds of Statistical/Machine Learning models for univariate time series, using ahead, ranger, xgboost, and caret
  227. Forecasting with `ahead` (Python version)
  228. Tuning and interpreting LSBoost
  229. Time series cross-validation using `crossvalidation` (Part 2)
  230. Fast and scalable forecasting with ahead::ridge2f
  231. Automatic Forecasting with `ahead::dynrmf` and Ridge regression
  232. Forecasting with `ahead`
  233. Classification using linear regression
  234. `crossvalidation` and random search for calibrating support vector machines
  235. parallel grid search cross-validation using `crossvalidation`
  236. `crossvalidation` on R-universe, plus a classification example
  237. Documentation and source code for GPopt, a package for Bayesian optimization
  238. Hyperparameters tuning with GPopt
  239. A forecasting tool (API) with examples in curl, R, Python
  240. Bayesian Optimization with GPopt Part 2 (save and resume)
  241. Bayesian Optimization with GPopt
  242. Compatibility of nnetsauce and mlsauce with scikit-learn
  243. Explaining xgboost predictions with the teller
  244. An infinity of time series models in nnetsauce
  245. New activation functions in mlsauce's LSBoost
  246. 2020 recap, Gradient Boosting, Generalized Linear Models, AdaOpt with nnetsauce and mlsauce
  247. A deeper learning architecture in nnetsauce
  248. Classify penguins with nnetsauce's MultitaskClassifier
  249. Bayesian forecasting for uni/multivariate time series
  250. Generalized nonlinear models in nnetsauce
  251. Boosting nonlinear penalized least squares
  252. Statistical/Machine Learning explainability using Kernel Ridge Regression surrogates
  253. NEWS
  254. A glimpse into my PhD journey
  255. Submitting R package to CRAN
  256. Simulation of dependent variables in ESGtoolkit
  257. Forecasting lung disease progression
  258. New nnetsauce
  259. Technical documentation
  260. A new version of nnetsauce, and a new Techtonique website
  261. Back next week, and a few announcements
  262. Explainable 'AI' using Gradient Boosted randomized networks Pt2 (the Lasso)
  263. LSBoost: Explainable 'AI' using Gradient Boosted randomized networks (with examples in R and Python)
  264. nnetsauce version 0.5.0, randomized neural networks on GPU
  265. Maximizing your tip as a waiter (Part 2)
  266. New version of mlsauce, with Gradient Boosted randomized networks and stump decision trees
  267. Announcements
  268. Parallel AdaOpt classification
  269. Comments section and other news
  270. Maximizing your tip as a waiter
  271. AdaOpt classification on MNIST handwritten digits (without preprocessing)
  272. AdaOpt (a probabilistic classifier based on a mix of multivariable optimization and nearest neighbors) for R
  273. AdaOpt
  274. Custom errors for cross-validation using crossval::crossval_ml
  275. Documentation+Pypi for the `teller`, a model-agnostic tool for Machine Learning explainability
  276. Encoding your categorical variables based on the response variable and correlations
  277. Linear model, xgboost and randomForest cross-validation using crossval::crossval_ml
  278. Grid search cross-validation using crossval
  279. Documentation for the querier, a query language for Data Frames
  280. Time series cross-validation using crossval
  281. On model specification, identification, degrees of freedom and regularization
  282. Import data into the querier (now on Pypi), a query language for Data Frames
  283. R notebooks for nnetsauce
  284. Version 0.4.0 of nnetsauce, with fruits and breast cancer classification
  285. Create a specific feed in your Jekyll blog
  286. Git/Github for contributing to package development
  287. Feedback forms for contributing
  288. nnetsauce for R
  289. A new version of nnetsauce (v0.3.1)
  290. ESGtoolkit, a tool for Monte Carlo simulation (v0.2.0)
  291. Search bar, new year 2020
  292. 2019 Recap, the nnetsauce, the teller and the querier
  293. Understanding model interactions with the `teller`
  294. Using the `teller` on a classifier
  295. Benchmarking the querier's verbs
  296. Composing the querier's verbs for data wrangling
  297. Comparing and explaining model predictions with the teller
  298. Tests for the significance of marginal effects in the teller
  299. Introducing the teller
  300. Introducing the querier
  301. Prediction intervals for nnetsauce models
  302. Using R in Python for statistical learning/data science
  303. Model calibration with `crossval`
  304. Bagging in the nnetsauce
  305. Adaboost learning with nnetsauce
  306. Change in blog's presentation
  307. nnetsauce on Pypi
  308. More nnetsauce (examples of use)
  309. nnetsauce
  310. crossval
  311. test


Categories | Top

Forecasting

  1. ARIMA Pricing: Semi-Parametric Market price of risk for Risk-Neutral Pricing (code + preprint)
  2. My poster for the 18th FINANCIAL RISKS INTERNATIONAL FORUM by Institut Louis Bachelier/Fondation du Risque/Europlace Institute of Finance
  3. Presenting 'Online Probabilistic Estimation of Carbon Beta and Carbon Shapley Values for Financial and Climate Risk' at Institut Louis Bachelier
  4. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on? Part2: 1311 time series from the Tourism competition
  5. Techtonique is released! (with a tutorial in various programming languages and formats)
  6. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on?
  7. You can beat Forecasting LLMs (Large Language Models a.k.a foundation models) with nnetsauce.MTS
  8. My presentation at ISF 2024 conference (slides with nnetsauce probabilistic forecasting news)
  9. 10 uncertainty quantification methods in nnetsauce forecasting
  10. Forecasting with XGBoost embedded in Quasi-Randomized Neural Networks
  11. Forecasting Monthly Airline Passenger Numbers with Quasi-Randomized Neural Networks
  12. DeepMTS, a Deep Learning Model for Multivariate Time Series
  13. Version v0.14.0 of nnetsauce for R and Python
  14. An infinity of time series forecasting models in nnetsauce (Part 2 with uncertainty quantification)
  15. (News from) forecasting in Python with ahead (progress bars and plots)
  16. Forecasting in Python with ahead
  17. Simple interfaces to the forecasting API
  18. A web application for forecasting in Python, R, Ruby, C#, JavaScript, PHP, Go, Rust, Java, MATLAB, etc.
  19. A dashboard illustrating bivariate time series forecasting with `ahead`
  20. Hundreds of Statistical/Machine Learning models for univariate time series, using ahead, ranger, xgboost, and caret

Misc

  1. Analyzing Paper Reviews with LLMs: I Used ChatGPT, DeepSeek, Qwen, Mistral, Gemini, and Claude (and you should too + publish the analysis)
  2. A plethora of datasets at your fingertips Part2: how many times do couples cheat on each other? Descriptive analytics, interpretability and prediction intervals using conformal prediction
  3. Julia packaging at the command line
  4. A plethora of datasets at your fingertips
  5. Risk-neutralize simulations
  6. Comparing cross-validation results using crossval_ml and boxplots
  7. Reminder
  8. Did you ask ChatGPT about who you are?
  9. A web application for forecasting in Python, R, Ruby, C#, JavaScript, PHP, Go, Rust, Java, MATLAB, etc.
  10. Boosted Configuration (_neural_) Networks for classification
  11. Super Mario Bros © in the browser using PyScript
  12. News from ESGtoolkit, ycinterextra, and nnetsauce
  13. Time series cross-validation using `crossvalidation` (Part 2)
  14. Fast and scalable forecasting with ahead::ridge2f
  15. Automatic Forecasting with `ahead::dynrmf` and Ridge regression
  16. Forecasting with `ahead`
  17. Documentation and source code for GPopt, a package for Bayesian optimization
  18. Hyperparameters tuning with GPopt
  19. A forecasting tool (API) with examples in curl, R, Python
  20. Bayesian Optimization with GPopt Part 2 (save and resume)
  21. Bayesian Optimization with GPopt
  22. 2020 recap, Gradient Boosting, Generalized Linear Models, AdaOpt with nnetsauce and mlsauce
  23. Statistical/Machine Learning explainability using Kernel Ridge Regression surrogates
  24. NEWS
  25. A glimpse into my PhD journey
  26. Forecasting lung disease progression
  27. New nnetsauce
  28. Technical documentation
  29. A new version of nnetsauce, and a new Techtonique website
  30. Back next week, and a few announcements
  31. Maximizing your tip as a waiter (Part 2)
  32. New version of mlsauce, with Gradient Boosted randomized networks and stump decision trees
  33. Announcements
  34. Comments section and other news
  35. Maximizing your tip as a waiter
  36. Custom errors for cross-validation using crossval::crossval_ml
  37. Encoding your categorical variables based on the response variable and correlations
  38. Linear model, xgboost and randomForest cross-validation using crossval::crossval_ml
  39. Grid search cross-validation using crossval
  40. Time series cross-validation using crossval
  41. On model specification, identification, degrees of freedom and regularization
  42. Create a specific feed in your Jekyll blog
  43. Git/Github for contributing to package development
  44. Feedback forms for contributing
  45. Change in blog's presentation
  46. test

Python

  1. Python version of Semi-parametric option pricing based on underlying's historical data (accepted at the osQF 2026 (ex R/Finance) conference)
  2. Model-agnostic prediction intervals in Python and R: does nnetsauce's QuantileRegressor hold up?
  3. ahead (Time Series Forecasting with uncertainty quantification) gets a lot faster to install: most dependencies are now optional
  4. Skip the R/Python runtime: fast tabular dashboards with Observable Framework
  5. PCARVFL vs CTGAN for synthetic tabular data generation on an insurance pricing dataset
  6. 'PCARVFLSimulator': a GAN-like tabular data synthesizer built from PCA scores, a Random Vector Functional-Link network, and residuals bootstrapping
  7. Natively Interpretable Boosting
  8. Fast conformal prediction (no refitting) for some Machine Learning models via closed-form jackknife plus
  9. Techtonique dot net, the Machine Learning web API, is back online (but more like a passion project for now)
  10. Conformalized TabICL: Prediction Intervals for a State-Of-The-Art Tabular Foundation Model in Python and R
  11. Conformalized TabPFN: Prediction Intervals for a Pretrained Transformer for Tabular Data in Python and R
  12. Survival analysis with sklearn, glmnet, keras, pytorch, lightgbm, xgboost, nnetsauce, mlsauce Part 2
  13. Any Sklearn Regressor as a Survival Model — Does It Actually Work? Benchmarking vs Established Packages
  14. Conformal Optimization Beats Bayesian Optimization, Optuna and Random Search on 72 classification Datasets
  15. Techtonique dot net is down until further notice
  16. Python version of 'Option pricing using time series models as market price of risk Pt.3'
  17. nnetsauce with and without jax for GPU acceleration
  18. Understanding Boosted Configuration Networks (combined neural networks and boosting): An Intuitive Guide Through Their Hyperparameters
  19. R version of Python package survivalist, for model-agnostic survival analysis
  20. Overfitting and scaling (on GPU T4) tests on nnetsauce.CustomRegressor
  21. GPopt for Machine Learning (hyperparameters' tuning)
  22. rtopy: an R to Python bridge -- novelties
  23. Python examples for 'Beyond Nelson-Siegel and splines: A model- agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation'
  24. Finally figured out a way to port python packages to R using uv and reticulate: example with nnetsauce
  25. Overfitting Random Fourier Features: Universal Approximation Property
  26. Zero-Shot Probabilistic Time Series Forecasting with TabPFN 2.5 and nnetsauce
  27. Analyzing Paper Reviews with LLMs: I Used ChatGPT, DeepSeek, Qwen, Mistral, Gemini, and Claude (and you should too + publish the analysis)
  28. tisthemachinelearner: New Workflow with uv for R Integration of scikit-learn
  29. (ICYMI) RPweave: Unified R + Python + LaTeX System using uv
  30. New instantaneous short rates models with their deterministic shift adjustment, for historical and risk-neutral simulation
  31. RPweave: Unified R + Python + LaTeX System using uv
  32. GAN-like Synthetic Data Generation Examples (on univariate, multivariate distributions, digits recognition, Fashion-MNIST, stock returns, and Olivetti faces) with DistroSimulator
  33. Native uncertainty quantification for time series with NGBoost
  34. NGBoost (Natural Gradient Boosting) for Regression, Classification, Time Series forecasting and Reserving
  35. Real-time pricing with a pretrained probabilistic stock return model
  36. Reimagining Equity Solvency Capital Requirement Approximation (one of my Master's Thesis subjects): From Bilinear Interpolation to Probabilistic Machine Learning
  37. Transfer Learning using ahead::ridge2f on synthetic stocks returns Pt.2: synthetic data generation
  38. Transfer Learning using ahead::ridge2f on synthetic stocks returns
  39. I'm supposed to present 'Conformal Predictive Simulations for Univariate Time Series' at COPA CONFERENCE 2025 in London...
  40. Another interesting decision, now for 'Beyond Nelson-Siegel and splines: A model-agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation'
  41. Boosting any randomized based learner for regression, classification and univariate/multivariate time series forcasting
  42. New nnetsauce version with CustomBackPropRegressor (CustomRegressor with Backpropagation) and ElasticNet2Regressor (Ridge2 with ElasticNet regularization)
  43. mlsauce (home to a model-agnostic gradient boosting algorithm) can now be installed from PyPI.
  44. A user-friendly graphical interface to techtonique dot net's API (will eventually contain graphics).
  45. Calling =TECHTO_MLCLASSIFICATION for Machine Learning supervised CLASSIFICATION in Excel is just a matter of copying and pasting
  46. Calling =TECHTO_MLREGRESSION for Machine Learning supervised regression in Excel is just a matter of copying and pasting
  47. Calling =TECHTO_RESERVING and =TECHTO_MLRESERVING for claims triangle reserving in Excel is just a matter of copying and pasting
  48. Calling =TECHTO_SURVIVAL for Survival Analysis in Excel is just a matter of copying and pasting
  49. Calling =TECHTO_SIMULATION for Stochastic Simulation in Excel is just a matter of copying and pasting
  50. Calling =TECHTO_FORECAST for forecasting in Excel is just a matter of copying and pasting
  51. Random Vector Functional Link (RVFL) artificial neural network with 2 regularization parameters successfully used for forecasting/synthetic simulation in professional settings: Extensions (including Bayesian)
  52. Backpropagating quasi-randomized neural networks
  53. Beyond ARMA-GARCH: leveraging any statistical model for volatility forecasting
  54. An Overfitting dilemma: XGBoost Default Hyperparameters vs GenericBooster + LinearRegression Default Hyperparameters
  55. Free R, Python and SQL editors in techtonique dot net
  56. Beyond Nelson-Siegel and splines: A model-agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation
  57. scikit-learn, glmnet, xgboost, lightgbm, pytorch, keras, nnetsauce in probabilistic Machine Learning (for longitudinal data) Reserving (work in progress)
  58. Probabilistic Machine Learning (for longitudinal data) Reserving (work in progress)
  59. Python version of Beyond ARMA-GARCH: leveraging model-agnostic Quasi-Randomized networks and conformal prediction for nonparametric probabilistic stock forecasting (ML-ARCH)
  60. Permutations and SHAPley values for feature importance in techtonique dot net's API (with R + Python + the command line)
  61. Which patient is going to survive longer? Another guide to using techtonique dot net's API (with R + Python + the command line) for survival analysis
  62. A Guide to Using techtonique.net's API and rush for simulating and plotting Stochastic Scenarios
  63. Simulating Stochastic Scenarios with Diffusion Models: A Guide to Using techtonique.net's API for the purpose
  64. Will my apartment in 5th avenue be overpriced or not? Harnessing the power of www.techtonique.net (+ xgboost, lightgbm, catboost) to find out
  65. How long must I wait until something happens: A Comprehensive Guide to Survival Analysis via an API
  66. Harnessing the Power of techtonique.net: A Comprehensive Guide to Machine Learning Classification via an API
  67. Quantile regression with any regressor -- Examples with RandomForestRegressor, RidgeCV, KNeighborsRegressor
  68. Survival stacking: survival analysis translated as supervised classification in R and Python
  69. Extending the Theta forecasting method to GLMs and attention
  70. Probabilistic Time Series Forecasting (predictive simulations) in Microsoft Excel using Python, xlwings lite and www.techtonique.net
  71. My poster for the 18th FINANCIAL RISKS INTERNATIONAL FORUM by Institut Louis Bachelier/Fondation du Risque/Europlace Institute of Finance
  72. Word-Online: re-creating Karpathy's char-RNN (with supervised linear online learning of word embeddings) for text completion
  73. Presenting 'Online Probabilistic Estimation of Carbon Beta and Carbon Shapley Values for Financial and Climate Risk' at Institut Louis Bachelier
  74. Web app with DeepSeek R1 and Hugging Face API for chatting
  75. tisthemachinelearner: A Lightweight interface to scikit-learn with 2 classes, Classifier and Regressor (in Python and R)
  76. Model-agnostic global Survival Prediction of Patients with Myeloid Leukemia in QRT/Gustave Roussy Challenge (challengedata.ens.fr): Python's survivalist Quickstart
  77. Command Line Interface (CLI) for techtonique.net's API
  78. Gradient-Boosting and Boostrap aggregating anything (alert: high performance): Part5, easier install and Rust backend
  79. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on? Part2: 1311 time series from the Tourism competition
  80. Techtonique is released! (with a tutorial in various programming languages and formats)
  81. Univariate and Multivariate Probabilistic Forecasting with nnetsauce and TabPFN
  82. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on?
  83. Python and Interactive dashboard version of Stock price forecasting with Deep Learning: throwing power at the problem (and why it won't make you rich)
  84. No-code Machine Learning Cross-validation and Interpretability in techtonique.net
  85. survivalist: Probabilistic model-agnostic survival analysis using scikit-learn, glmnet, xgboost, lightgbm, pytorch, keras, nnetsauce and mlsauce
  86. Model-agnostic 'Bayesian' optimization (for hyperparameter tuning) using conformalized surrogates in GPopt
  87. You can beat Forecasting LLMs (Large Language Models a.k.a foundation models) with nnetsauce.MTS Pt.2: Generic Gradient Boosting
  88. You can beat Forecasting LLMs (Large Language Models a.k.a foundation models) with nnetsauce.MTS
  89. GLMNet in Python: Generalized Linear Models
  90. Gradient-Boosting anything (alert: high performance): Part4, Time series forecasting
  91. Predictive scenarios simulation in R, Python and Excel using Techtonique API
  92. Chat with your tabular data in www.techtonique.net
  93. Gradient-Boosting anything (alert: high performance): Part3, Histogram-based boosting
  94. R editor and SQL console (in addition to Python editors) in www.techtonique.net
  95. R and Python consoles + JupyterLite in www.techtonique.net
  96. Gradient-Boosting anything (alert: high performance)
  97. Benchmarking 30 statistical/Machine Learning models on the VN1 Forecasting -- Accuracy challenge
  98. Forecasting in Excel using Techtonique's Machine Learning APIs under the hood
  99. Techtonique web app for data-driven decisions using Mathematics, Statistics, Machine Learning, and Data Visualization
  100. Parallel for loops (Map or Reduce) + New versions of nnetsauce and ahead
  101. Adaptive (online/streaming) learning with uncertainty quantification using Polyak averaging in learningmachine
  102. New versions of nnetsauce and ahead
  103. Prediction sets and prediction intervals for conformalized Auto XGBoost, Auto LightGBM, Auto CatBoost, Auto GradientBoosting
  104. Conformalized adaptive (online/streaming) learning using learningmachine in Python and R
  105. Auto XGBoost, Auto LightGBM, Auto CatBoost, Auto GradientBoosting
  106. Copulas for uncertainty quantification in time series forecasting
  107. Forecasting uncertainty: sequential split conformal prediction + Block bootstrap (web app)
  108. learningmachine for Python (new version)
  109. My presentation at ISF 2024 conference (slides with nnetsauce probabilistic forecasting news)
  110. 10 uncertainty quantification methods in nnetsauce forecasting
  111. Forecasting with XGBoost embedded in Quasi-Randomized Neural Networks
  112. Forecasting Monthly Airline Passenger Numbers with Quasi-Randomized Neural Networks
  113. Automated hyperparameter tuning using any conformalized surrogate
  114. Recognizing handwritten digits with Ridge2Classifier
  115. A detailed introduction to Deep Quasi-Randomized 'neural' networks
  116. Probability of receiving a loan; using learningmachine
  117. mlsauce's `v0.18.2`: various examples and benchmarks with dimension reduction
  118. mlsauce's `v0.17.0`: boosting with Elastic Net, polynomials and heterogeneity in explanatory variables
  119. mlsauce's `v0.13.0`: taking into account inputs heterogeneity through clustering
  120. mlsauce's `v0.12.0`: prediction intervals for LSBoostRegressor
  121. learningmachine v1.1.2: for Python
  122. Bayesian inference and conformal prediction (prediction intervals) in nnetsauce v0.18.1
  123. rtopy (v0.1.1): calling R functions in Python
  124. ahead forecasting (v0.10.0): fast time series model calibration and Python plots
  125. A plethora of datasets at your fingertips Part3: how many times do couples cheat on each other?
  126. nnetsauce's introduction as of 2024-02-11 (new version 0.17.0)
  127. Tuning Machine Learning models with GPopt's new version Part 2
  128. Tuning Machine Learning models with GPopt's new version
  129. Subsampling continuous and discrete response variables
  130. DeepMTS, a Deep Learning Model for Multivariate Time Series
  131. A classifier that's very accurate (and deep) Pt.2: there are > 90 classifiers in nnetsauce
  132. A plethora of datasets at your fingertips Part2: how many times do couples cheat on each other? Descriptive analytics, interpretability and prediction intervals using conformal prediction
  133. Diffusion models in Python with esgtoolkit (Part2)
  134. Diffusion models in Python with esgtoolkit
  135. Quasi-randomized nnetworks in Julia, Python and R
  136. A plethora of datasets at your fingertips
  137. A classifier that's very accurate (and deep)
  138. mlsauce version 0.8.10: Statistical/Machine Learning with Python and R
  139. AutoML in nnetsauce (randomized and quasi-randomized nnetworks) Pt.2: multivariate time series forecasting
  140. AutoML in nnetsauce (randomized and quasi-randomized nnetworks)
  141. Version v0.14.0 of nnetsauce for R and Python
  142. An infinity of time series forecasting models in nnetsauce (Part 2 with uncertainty quantification)
  143. (News from) forecasting in Python with ahead (progress bars and plots)
  144. Forecasting in Python with ahead
  145. Did you ask ChatGPT about who you are?
  146. A new version of nnetsauce (randomized and quasi-randomized 'neural' networks)
  147. Simple interfaces to the forecasting API
  148. A web application for forecasting in Python, R, Ruby, C#, JavaScript, PHP, Go, Rust, Java, MATLAB, etc.
  149. Prediction intervals (not only) for Boosted Configuration Networks in Python
  150. A Machine Learning workflow using Techtonique
  151. Super Mario Bros © in the browser using PyScript
  152. News from ESGtoolkit, ycinterextra, and nnetsauce
  153. Explaining a Keras _neural_ network predictions with the-teller
  154. New version of nnetsauce -- various quasi-randomized networks
  155. A dashboard illustrating bivariate time series forecasting with `ahead`
  156. Forecasting with `ahead` (Python version)
  157. Tuning and interpreting LSBoost
  158. Classification using linear regression
  159. Documentation and source code for GPopt, a package for Bayesian optimization
  160. Hyperparameters tuning with GPopt
  161. A forecasting tool (API) with examples in curl, R, Python
  162. Bayesian Optimization with GPopt Part 2 (save and resume)
  163. Bayesian Optimization with GPopt
  164. Compatibility of nnetsauce and mlsauce with scikit-learn
  165. Explaining xgboost predictions with the teller
  166. An infinity of time series models in nnetsauce
  167. 2020 recap, Gradient Boosting, Generalized Linear Models, AdaOpt with nnetsauce and mlsauce
  168. A deeper learning architecture in nnetsauce
  169. Generalized nonlinear models in nnetsauce
  170. Boosting nonlinear penalized least squares
  171. Technical documentation
  172. A new version of nnetsauce, and a new Techtonique website
  173. Back next week, and a few announcements
  174. Explainable 'AI' using Gradient Boosted randomized networks Pt2 (the Lasso)
  175. LSBoost: Explainable 'AI' using Gradient Boosted randomized networks (with examples in R and Python)
  176. nnetsauce version 0.5.0, randomized neural networks on GPU
  177. Maximizing your tip as a waiter (Part 2)
  178. Parallel AdaOpt classification
  179. Maximizing your tip as a waiter
  180. AdaOpt classification on MNIST handwritten digits (without preprocessing)
  181. AdaOpt
  182. Documentation+Pypi for the `teller`, a model-agnostic tool for Machine Learning explainability
  183. Encoding your categorical variables based on the response variable and correlations
  184. Documentation for the querier, a query language for Data Frames
  185. Import data into the querier (now on Pypi), a query language for Data Frames
  186. Version 0.4.0 of nnetsauce, with fruits and breast cancer classification
  187. A new version of nnetsauce (v0.3.1)
  188. Using R in Python for statistical learning/data science
  189. nnetsauce on Pypi

QuasiRandomizedNN

  1. Gradient-Boosting anything (alert: high performance): Part4, Time series forecasting
  2. Gradient-Boosting anything (alert: high performance): Part3, Histogram-based boosting
  3. My presentation at ISF 2024 conference (slides with nnetsauce probabilistic forecasting news)
  4. 10 uncertainty quantification methods in nnetsauce forecasting
  5. Forecasting with XGBoost embedded in Quasi-Randomized Neural Networks
  6. Forecasting Monthly Airline Passenger Numbers with Quasi-Randomized Neural Networks
  7. Automated hyperparameter tuning using any conformalized surrogate
  8. Recognizing handwritten digits with Ridge2Classifier
  9. A plethora of datasets at your fingertips Part3: how many times do couples cheat on each other?
  10. nnetsauce's introduction as of 2024-02-11 (new version 0.17.0)
  11. DeepMTS, a Deep Learning Model for Multivariate Time Series
  12. A classifier that's very accurate (and deep) Pt.2: there are > 90 classifiers in nnetsauce
  13. Quasi-randomized nnetworks in Julia, Python and R
  14. A classifier that's very accurate (and deep)
  15. AutoML in nnetsauce (randomized and quasi-randomized nnetworks) Pt.2: multivariate time series forecasting
  16. AutoML in nnetsauce (randomized and quasi-randomized nnetworks)
  17. Version v0.14.0 of nnetsauce for R and Python
  18. An infinity of time series forecasting models in nnetsauce (Part 2 with uncertainty quantification)
  19. A new version of nnetsauce (randomized and quasi-randomized 'neural' networks)
  20. New version of nnetsauce -- various quasi-randomized networks
  21. Tuning and interpreting LSBoost
  22. Classification using linear regression
  23. An infinity of time series models in nnetsauce
  24. A deeper learning architecture in nnetsauce
  25. Classify penguins with nnetsauce's MultitaskClassifier
  26. Bayesian forecasting for uni/multivariate time series
  27. New nnetsauce
  28. Technical documentation
  29. A new version of nnetsauce, and a new Techtonique website
  30. Back next week, and a few announcements
  31. nnetsauce version 0.5.0, randomized neural networks on GPU
  32. R notebooks for nnetsauce
  33. Version 0.4.0 of nnetsauce, with fruits and breast cancer classification
  34. Feedback forms for contributing
  35. nnetsauce for R
  36. A new version of nnetsauce (v0.3.1)
  37. 2019 Recap, the nnetsauce, the teller and the querier
  38. Prediction intervals for nnetsauce models
  39. Bagging in the nnetsauce
  40. Adaboost learning with nnetsauce
  41. nnetsauce on Pypi
  42. More nnetsauce (examples of use)
  43. nnetsauce

R

  1. Semi-parametric option pricing based on underlying's historical data (accepted at the osQF 2026 (ex R/Finance) conference)
  2. Model-agnostic prediction intervals in Python and R: does nnetsauce's QuantileRegressor hold up?
  3. ahead (Time Series Forecasting with uncertainty quantification) gets a lot faster to install: most dependencies are now optional
  4. Skip the R/Python runtime: fast tabular dashboards with Observable Framework
  5. 'Zero-Shot Probabilistic Stock Returns Forecasting with Pretrained RVFL Networks' accepted at COPA 2026 (and to appear in the Proceedings of Machine Learning Research)
  6. 'garchf': GARCH probabilistic forecasting with package 'forecast'-style interface (and 'rugarch' under the hood)
  7. GPopt for R: Bayesian and conformal optimization of black-box functions and hyperparameter tuning
  8. My last R posts: How conformalization helps weak models, fast conformal prediction with jackknife+ (and no refitting), and sklearn in R
  9. Fast conformal prediction (no refitting) for some Machine Learning models via closed-form jackknife plus
  10. Using scikit-learn models in R easily with the tisthemachinelearner package
  11. How Conformal Prediction Makes Linear Models Good Enough — An Example Using R Package mlS3
  12. Techtonique dot net, the Machine Learning web API, is back online (but more like a passion project for now)
  13. Conformalized TabICL: Prediction Intervals for a State-Of-The-Art Tabular Foundation Model in Python and R
  14. Conformalized TabPFN: Prediction Intervals for a Pretrained Transformer for Tabular Data in Python and R
  15. Probabilistic Time Series Cross-Validation with R package crossvalidation
  16. One interface, (Almost) Every Classifier (and Regressor): unifiedml v0.3.0
  17. You Don't Need to Learn All the Weights on tabular data: The Case for rvflnet (a nonlinear expressive glmnet) on regression, classification and survival analysis
  18. `mlS3` — A Unified S3 Machine Learning Interface in R
  19. One interface, (Almost) Every Classifier: unifiedml v0.2.1
  20. Techtonique dot net is down until further notice
  21. Explaining Time-Series Forecasts with Sensitivity Analysis (ahead::dynrmf and external regressors)
  22. Option pricing using time series models as market price of risk Pt.3
  23. Explaining Time-Series Forecasts with Exact Shapley Values (ahead::dynrmf with external regressors applied to scenarios)
  24. My Presentation at Risk 2026: Lightweight Transfer Learning for Financial Forecasting
  25. nnetsauce with and without jax for GPU acceleration
  26. Understanding Boosted Configuration Networks (combined neural networks and boosting): An Intuitive Guide Through Their Hyperparameters
  27. R version of Python package survivalist, for model-agnostic survival analysis
  28. Presenting Lightweight Transfer Learning for Financial Forecasting (Risk 2026)
  29. Option pricing using time series models as market price of risk
  30. Enhancing Time Series Forecasting (ahead::ridge2f) with Attention-Based Context Vectors (ahead::contextridge2f)
  31. Beyond Cross-validation: Hyperparameter Optimization via Generalization Gap Modeling
  32. rtopy: an R to Python bridge -- novelties
  33. Python examples for 'Beyond Nelson-Siegel and splines: A model- agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation'
  34. Forecasting benchmark: Dynrmf (a new serious competitor in town) vs Theta Method on M-Competitions and Tourism competitition
  35. Finally figured out a way to port python packages to R using uv and reticulate: example with nnetsauce
  36. Overfitting Random Fourier Features: Universal Approximation Property
  37. Counterfactual Scenario Analysis with ahead::ridge2f
  38. ARIMA Pricing: Semi-Parametric Market price of risk for Risk-Neutral Pricing (code + preprint)
  39. Analyzing Paper Reviews with LLMs: I Used ChatGPT, DeepSeek, Qwen, Mistral, Gemini, and Claude (and you should too + publish the analysis)
  40. tisthemachinelearner: New Workflow with uv for R Integration of scikit-learn
  41. (ICYMI) RPweave: Unified R + Python + LaTeX System using uv
  42. unifiedml: A Unified Machine Learning Interface for R, is now on CRAN + Discussion about AI replacing humans
  43. Context-aware Theta forecasting Method: Extending Classical Time Series Forecasting with Machine Learning
  44. unifiedml in R: A Unified Machine Learning Interface
  45. Deterministic Shift Adjustment in Arbitrage-Free Pricing (historical to risk-neutral short rates)
  46. New instantaneous short rates models with their deterministic shift adjustment, for historical and risk-neutral simulation
  47. RPweave: Unified R + Python + LaTeX System using uv
  48. GAN-like Synthetic Data Generation Examples (on univariate, multivariate distributions, digits recognition, Fashion-MNIST, stock returns, and Olivetti faces) with DistroSimulator
  49. R port of llama2.c
  50. Native uncertainty quantification for time series with NGBoost
  51. Real-time pricing with a pretrained probabilistic stock return model
  52. Combining any model with GARCH(1,1) for probabilistic stock forecasting
  53. Generating Synthetic Data with R-vine Copulas using esgtoolkit in R
  54. Reimagining Equity Solvency Capital Requirement Approximation (one of my Master's Thesis subjects): From Bilinear Interpolation to Probabilistic Machine Learning
  55. Transfer Learning using ahead::ridge2f on synthetic stocks returns Pt.2: synthetic data generation
  56. Transfer Learning using ahead::ridge2f on synthetic stocks returns
  57. I'm supposed to present 'Conformal Predictive Simulations for Univariate Time Series' at COPA CONFERENCE 2025 in London...
  58. external regressors in ahead::dynrmf's interface for Machine learning forecasting
  59. Another interesting decision, now for 'Beyond Nelson-Siegel and splines: A model-agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation'
  60. A user-friendly graphical interface to techtonique dot net's API (will eventually contain graphics).
  61. Calling =TECHTO_MLCLASSIFICATION for Machine Learning supervised CLASSIFICATION in Excel is just a matter of copying and pasting
  62. Calling =TECHTO_MLREGRESSION for Machine Learning supervised regression in Excel is just a matter of copying and pasting
  63. Calling =TECHTO_RESERVING and =TECHTO_MLRESERVING for claims triangle reserving in Excel is just a matter of copying and pasting
  64. Calling =TECHTO_SURVIVAL for Survival Analysis in Excel is just a matter of copying and pasting
  65. Calling =TECHTO_SIMULATION for Stochastic Simulation in Excel is just a matter of copying and pasting
  66. Calling =TECHTO_FORECAST for forecasting in Excel is just a matter of copying and pasting
  67. Random Vector Functional Link (RVFL) artificial neural network with 2 regularization parameters successfully used for forecasting/synthetic simulation in professional settings: Extensions (including Bayesian)
  68. R version of 'Backpropagating quasi-randomized neural networks'
  69. Beyond ARMA-GARCH: leveraging any statistical model for volatility forecasting
  70. Stacked generalization (Machine Learning model stacking) + conformal prediction for forecasting with ahead::mlf
  71. Programming language-agnostic reserving using RidgeCV, LightGBM, XGBoost, and ExtraTrees Machine Learning models
  72. Free R, Python and SQL editors in techtonique dot net
  73. Beyond Nelson-Siegel and splines: A model-agnostic Machine Learning framework for discount curve calibration, interpolation and extrapolation
  74. R version of Probabilistic Machine Learning (for longitudinal data) Reserving (work in progress)
  75. Beyond ARMA-GARCH: leveraging model-agnostic Machine Learning and conformal prediction for nonparametric probabilistic stock forecasting (ML-ARCH)
  76. Permutations and SHAPley values for feature importance in techtonique dot net's API (with R + Python + the command line)
  77. Which patient is going to survive longer? Another guide to using techtonique dot net's API (with R + Python + the command line) for survival analysis
  78. A Guide to Using techtonique.net's API and rush for simulating and plotting Stochastic Scenarios
  79. Simulating Stochastic Scenarios with Diffusion Models: A Guide to Using techtonique.net's API for the purpose
  80. Will my apartment in 5th avenue be overpriced or not? Harnessing the power of www.techtonique.net (+ xgboost, lightgbm, catboost) to find out
  81. How long must I wait until something happens: A Comprehensive Guide to Survival Analysis via an API
  82. Harnessing the Power of techtonique.net: A Comprehensive Guide to Machine Learning Classification via an API
  83. Quantile regression with any regressor -- Examples with RandomForestRegressor, RidgeCV, KNeighborsRegressor
  84. Survival stacking: survival analysis translated as supervised classification in R and Python
  85. 'Bayesian' optimization of hyperparameters in a R machine learning model using the bayesianrvfl package
  86. A lightweight interface to scikit-learn in R: Bayesian and Conformal prediction
  87. A lightweight interface to scikit-learn in R Pt.2: probabilistic time series forecasting in conjunction with ahead::dynrmf
  88. Extending the Theta forecasting method to GLMs, GAMs, GLMBOOST and attention: benchmarking on Tourism, M1, M3 and M4 competition data sets (28000 series)
  89. Extending the Theta forecasting method to GLMs and attention
  90. Nonlinear conformalized Generalized Linear Models (GLMs) with R package 'rvfl' (and other models)
  91. Conformalize (improved prediction intervals and simulations) any R Machine Learning model with misc::conformalize
  92. My poster for the 18th FINANCIAL RISKS INTERNATIONAL FORUM by Institut Louis Bachelier/Fondation du Risque/Europlace Institute of Finance
  93. Interpretable probabilistic kernel ridge regression using Matérn 3/2 kernels
  94. (News from) Probabilistic Forecasting of univariate and multivariate Time Series using Quasi-Randomized Neural Networks (Ridge2) and Conformal Prediction
  95. Word-Online: re-creating Karpathy's char-RNN (with supervised linear online learning of word embeddings) for text completion
  96. CRAN-like repository for most recent releases of Techtonique's R packages
  97. Presenting 'Online Probabilistic Estimation of Carbon Beta and Carbon Shapley Values for Financial and Climate Risk' at Institut Louis Bachelier
  98. Web app with DeepSeek R1 and Hugging Face API for chatting
  99. tisthemachinelearner: A Lightweight interface to scikit-learn with 2 classes, Classifier and Regressor (in Python and R)
  100. R version of survivalist: Probabilistic model-agnostic survival analysis using scikit-learn, xgboost, lightgbm (and conformal prediction)
  101. A simple test of the martingale hypothesis in esgtoolkit
  102. Command Line Interface (CLI) for techtonique.net's API
  103. Gradient-Boosting and Boostrap aggregating anything (alert: high performance): Part5, easier install and Rust backend
  104. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on? Part2: 1311 time series from the Tourism competition
  105. Techtonique is released! (with a tutorial in various programming languages and formats)
  106. Just got a paper on conformal prediction REJECTED by International Journal of Forecasting despite evidence on 30,000 time series (and more). What's going on?
  107. Stock price forecasting with Deep Learning: throwing power at the problem (and why it won't make you rich)
  108. No-code Machine Learning Cross-validation and Interpretability in techtonique.net
  109. You can beat Forecasting LLMs (Large Language Models a.k.a foundation models) with nnetsauce.MTS
  110. Unified interface and conformal prediction (calibrated prediction intervals) for R package forecast (and 'affiliates')
  111. GLMNet in Python: Generalized Linear Models
  112. Gradient-Boosting anything (alert: high performance): Part4, Time series forecasting
  113. Predictive scenarios simulation in R, Python and Excel using Techtonique API
  114. Chat with your tabular data in www.techtonique.net
  115. Gradient-Boosting anything (alert: high performance): Part3, Histogram-based boosting
  116. R editor and SQL console (in addition to Python editors) in www.techtonique.net
  117. R and Python consoles + JupyterLite in www.techtonique.net
  118. Gradient-Boosting anything (alert: high performance): Part2, R version
  119. Gradient-Boosting anything (alert: high performance)
  120. Automated random variable distribution inference using Kullback-Leibler divergence and simulating best-fitting distribution
  121. Techtonique web app for data-driven decisions using Mathematics, Statistics, Machine Learning, and Data Visualization
  122. Parallel for loops (Map or Reduce) + New versions of nnetsauce and ahead
  123. Adaptive (online/streaming) learning with uncertainty quantification using Polyak averaging in learningmachine
  124. New versions of nnetsauce and ahead
  125. Prediction sets and prediction intervals for conformalized Auto XGBoost, Auto LightGBM, Auto CatBoost, Auto GradientBoosting
  126. Quick/automated R package development workflow (assuming you're using macOS or Linux) Part2
  127. R package development workflow (assuming you're using macOS or Linux)
  128. A new method for deriving a nonparametric confidence interval for the mean
  129. Conformalized adaptive (online/streaming) learning using learningmachine in Python and R
  130. Bayesian (nonlinear) adaptive learning
  131. Auto XGBoost, Auto LightGBM, Auto CatBoost, Auto GradientBoosting
  132. Forecasting uncertainty: sequential split conformal prediction + Block bootstrap (web app)
  133. learningmachine v2.0.0: Machine Learning with explanations and uncertainty quantification
  134. Forecasting the Economy
  135. A detailed introduction to Deep Quasi-Randomized 'neural' networks
  136. Probability of receiving a loan; using learningmachine
  137. mlsauce's `v0.18.2`: various examples and benchmarks with dimension reduction
  138. Conformalized predictive simulations for univariate time series on more than 250 data sets
  139. learningmachine v1.0.0: prediction intervals around the probability of the event 'a tumor being malignant'
  140. Multiple examples of Machine Learning forecasting with ahead
  141. rtopy (v0.1.1): calling R functions in Python
  142. ahead forecasting (v0.10.0): fast time series model calibration and Python plots
  143. A classifier that's very accurate (and deep) Pt.2: there are > 90 classifiers in nnetsauce
  144. learningmachine: prediction intervals for conformalized Kernel ridge regression and Random Forest
  145. A plethora of datasets at your fingertips Part2: how many times do couples cheat on each other? Descriptive analytics, interpretability and prediction intervals using conformal prediction
  146. Diffusion models in Python with esgtoolkit (Part2)
  147. Diffusion models in Python with esgtoolkit
  148. Quasi-randomized nnetworks in Julia, Python and R
  149. A plethora of datasets at your fingertips
  150. A classifier that's very accurate (and deep)
  151. mlsauce version 0.8.10: Statistical/Machine Learning with Python and R
  152. Version v0.14.0 of nnetsauce for R and Python
  153. A diffusion model: G2++
  154. Diffusion models in ESGtoolkit + announcements
  155. Risk-neutralize simulations
  156. Comparing cross-validation results using crossval_ml and boxplots
  157. Did you ask ChatGPT about who you are?
  158. A new version of nnetsauce (randomized and quasi-randomized 'neural' networks)
  159. Simple interfaces to the forecasting API
  160. A web application for forecasting in Python, R, Ruby, C#, JavaScript, PHP, Go, Rust, Java, MATLAB, etc.
  161. Boosted Configuration (neural) Networks Pt. 2
  162. Boosted Configuration (_neural_) Networks for classification
  163. News from ESGtoolkit, ycinterextra, and nnetsauce
  164. New version of nnetsauce -- various quasi-randomized networks
  165. A dashboard illustrating bivariate time series forecasting with `ahead`
  166. Hundreds of Statistical/Machine Learning models for univariate time series, using ahead, ranger, xgboost, and caret
  167. Time series cross-validation using `crossvalidation` (Part 2)
  168. Fast and scalable forecasting with ahead::ridge2f
  169. Automatic Forecasting with `ahead::dynrmf` and Ridge regression
  170. Forecasting with `ahead`
  171. `crossvalidation` and random search for calibrating support vector machines
  172. parallel grid search cross-validation using `crossvalidation`
  173. `crossvalidation` on R-universe, plus a classification example
  174. A forecasting tool (API) with examples in curl, R, Python
  175. An infinity of time series models in nnetsauce
  176. New activation functions in mlsauce's LSBoost
  177. 2020 recap, Gradient Boosting, Generalized Linear Models, AdaOpt with nnetsauce and mlsauce
  178. Classify penguins with nnetsauce's MultitaskClassifier
  179. Bayesian forecasting for uni/multivariate time series
  180. Boosting nonlinear penalized least squares
  181. Statistical/Machine Learning explainability using Kernel Ridge Regression surrogates
  182. Submitting R package to CRAN
  183. Simulation of dependent variables in ESGtoolkit
  184. Forecasting lung disease progression
  185. Explainable 'AI' using Gradient Boosted randomized networks Pt2 (the Lasso)
  186. LSBoost: Explainable 'AI' using Gradient Boosted randomized networks (with examples in R and Python)
  187. nnetsauce version 0.5.0, randomized neural networks on GPU
  188. Maximizing your tip as a waiter (Part 2)
  189. Maximizing your tip as a waiter
  190. AdaOpt classification on MNIST handwritten digits (without preprocessing)
  191. AdaOpt (a probabilistic classifier based on a mix of multivariable optimization and nearest neighbors) for R
  192. Custom errors for cross-validation using crossval::crossval_ml
  193. Encoding your categorical variables based on the response variable and correlations
  194. Linear model, xgboost and randomForest cross-validation using crossval::crossval_ml
  195. Grid search cross-validation using crossval
  196. Time series cross-validation using crossval
  197. On model specification, identification, degrees of freedom and regularization
  198. R notebooks for nnetsauce
  199. Version 0.4.0 of nnetsauce, with fruits and breast cancer classification
  200. Feedback forms for contributing
  201. nnetsauce for R
  202. ESGtoolkit, a tool for Monte Carlo simulation (v0.2.0)
  203. Using R in Python for statistical learning/data science
  204. Model calibration with `crossval`
  205. crossval