Published inData Science CollectiveWhat Happened When I Put a Causal ML Model to The TestCausal models promise better causal estimates compared to traditional ML — but do they always deliver?May 7A response icon8May 7A response icon8
Published inData Science CollectiveHow to Lose Money With “Statistically Significant” DecisionsMany decision-makers rely on statistical significance — but this doesn’t always translate to value. Here’s a more effective framework for…Mar 12A response icon19Mar 12A response icon19
Published inData Science CollectiveHow to Test if Your Model’s Probabilities Are Good (Enough)Finding a meaningful baseline for the calibration error of any classification modelFeb 18A response icon6Feb 18A response icon6
Published inTDS ArchiveThink Correlation Isn’t Causation? Meet Partial CorrelationDespite being so powerful, partial correlation is perhaps the most underrated tool in data scienceJan 8A response icon21Jan 8A response icon21
Published inTDS ArchiveWhy “Statistical Significance” Is PointlessHere’s a better framework for data-driven decision-makingDec 1, 2024A response icon42Dec 1, 2024A response icon42
Published inTDS ArchiveNon-Linearity: Can Linear Regression Compete With Gradient Boosting?Linear models can handle non-linear relationships thanks to data pre-processing. But how close can they get to more sophisticated models?Oct 11, 2024A response icon11Oct 11, 2024A response icon11
Published inTDS ArchiveCausality in ML Models: Introducing Monotonic ConstraintsMonotonic constraints are key to making machine learning models actionable, yet they are still quite unusedSep 6, 2024A response icon13Sep 6, 2024A response icon13
Published inTDS ArchiveWhat’s Wrong With R-Squared (And How to Fix It)Even if you think you are using R-Squared out-of-sample, you are not. Here is whyAug 7, 2024A response icon19Aug 7, 2024A response icon19
Published inTDS ArchiveForget Statistical Tests: A/B Testing Is All About SimulationsHow simulations outperform traditional stats in that they are easier to understand, more flexible, and economically meaningfulJul 4, 2024A response icon17Jul 4, 2024A response icon17
Published inTDS ArchiveHypothesis Testing Explained (How I Wish It Was Explained to Me)Most resources focus on things like Confidence and Power. But they don’t really matter: here is what you should care aboutMay 13, 2024A response icon9May 13, 2024A response icon9