Published inTDS ArchivePower Analysis, DemystifiedDeriving the Equation for Sample Size from First PrinciplesDec 3, 2024A response icon1Dec 3, 2024A response icon1
Demystifying the Chi-Square Goodness of Fit TestBuilding Intuition Step-by-StepJun 28, 2023Jun 28, 2023
Published inTDS ArchiveIs your A/B test suffering from assignment imbalance?Recently, my team ran an experiment to test the performance of a new product recommendation algorithm. After collecting a few weeks’ data…Nov 6, 2021A response icon2Nov 6, 2021A response icon2
Published inTDS ArchiveKPI trees for root cause analysisThe KPI tree is a really powerful tool for understanding changes in system performance. It is very easy to implement and it has a broad…Feb 13, 2021Feb 13, 2021
Published inTDS ArchivePower Analysis Made EasySo easy, you can do it by hand.Apr 20, 2020Apr 20, 2020
Published inTDS ArchiveA/B Test Statistics Made EasyPart 2: Proportion MetricsApr 17, 2020A response icon2Apr 17, 2020A response icon2
Published inTDS ArchiveA/B Test Statistics Made EasyPart 1: Continuous MetricsApr 11, 2020A response icon3Apr 11, 2020A response icon3