Probability

Null Hypothesis Significance Testing, part 3

Overview of the power and the effect size of the test and why low p-value is not always enough to make a decision.

Null Hypothesis Significance Testing, part 2

Introduction to the inference for a population proportion using binomial test and $\chi^2$ test for independence.

Null Hypothesis Significance Testing, part 1

Basic concept of the NHST and the idea of p-value. Overview of the inference for a population mean using one/two-sample $t$-tests and ANOVA.

Normal Approximation to Binomial Distribution

Bayes's Rule Calculator

Bayes's Rule and Disease Testing

Learn how you can update your prior beliefs using Bayes's rule with the disease testing as an example.

How to Deal with Multi-Armed Bandit Problem

How to get maximum performance of your A/B test when you have any prior information about users.

Multi-armed Bandit Problem Simulation