Published inTowards Data SciencePower Analysis, DemystifiedDeriving the Equation for Sample Size from First PrinciplesDec 3, 20241Dec 3, 20241
Demystifying the Chi-Square Goodness of Fit TestBuilding Intuition Step-by-StepJun 28, 2023Jun 28, 2023
Published inTowards Data ScienceIs 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, 20212Nov 6, 20212
Published inTowards Data ScienceKPI 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 inTowards Data SciencePower Analysis Made EasySo easy, you can do it by hand.Apr 20, 20201Apr 20, 20201
Published inTowards Data ScienceA/B Test Statistics Made EasyPart 2: Proportion MetricsApr 17, 20204Apr 17, 20204
Published inTowards Data ScienceA/B Test Statistics Made EasyPart 1: Continuous MetricsApr 11, 20204Apr 11, 20204
