Alex RobertsinTowards Data ScienceExploring Best Test Size, Number of Folds and Repeated Hold-OutStudy gains in guaranteed, supported and mean accuracy; discover biases·6 min read·Sep 9, 2022--1--1
Alex RobertsA Frequentist modification of the logistic function for probability estimates of small datasetsWhy exponential tails can be dangerous and how to limit their range.·5 min read·May 30, 2022----
Alex RobertsA 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…·3 min read·May 26, 2022----
Alex RobertsThe 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…·2 min read·May 21, 2022----
Alex RobertsHow 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…·4 min read·Sep 1, 2018----