2019

Some intution on the Gaussian distribution formula 2019-11-18

2018

Why "n-1" in empirical variance? A simulation. 2018-03-24

2017

Effect sizes for the Mann-Whitney U Test: an intuition 2017-07-04

mean and sd of z-values 2017-05-26

Squares maximize area - a visualization 2017-05-19

A predictor's unique contribution - (visual) demonstration 2017-05-17

Variance explained vs. variance blurred 2017-05-05

Covariance as correlation 2017-04-25

2016

Some reflections on stochastic independence 2016-11-08

Why is SD(X) unequal to MAD(X)? 2016-08-31

Why absolute correlation value (r) cannot exceed 1. An intuition. 2016-08-28

Intuition on correlation 2016-07-25

Intuition on Cohen's d 2016-07-15

Why have z-transformed values a mean of zero and a sd of 1? 2016-07-02