Alex Roberts·Jul 13Double-elimination world cup formatAmidst all the hype surrounding the world cup, I asked myself if it is possible to have less variance in the outcome with the same number…
Alex Roberts·May 5On the origin of some German phrases from ChineseI was walking through a little town in California, talking animatedly with my dad in German, when we passed a gas station and I asked if we…
InTDS ArchivebyAlex Roberts·Sep 9, 2022Exploring Best Test Size, Number of Folds and Repeated Hold-OutStudy gains in guaranteed, supported and mean accuracy; discover biasesA response icon1A response icon1
Alex Roberts·May 30, 2022A Frequentist modification of the logistic function for probability estimates of small datasetsWhy exponential tails can be dangerous and how to limit their range.
Alex Roberts·May 26, 2022A different way to think about logistic regressionUsually, the motivation of logistic regression as a likelihood function is not really talked about. We are just told that we have to do…
Alex Roberts·May 21, 2022The secretary problem — math, insights and statisticsThe secretary problem is over 70 years old. It formulates the rules for a game as follows: you are to hire a secretary and have n…
Alex Roberts·Sep 1, 2018How to teach current in a wire (or how not to)If you’re going to teach how a basic circuit works, please never again give the analogy of water flowing through a pipe. Making that…
