The tool calculates and displays the sample size needed for detecting a given Minimum Detectable Effect (MDE), considering statistical significance and power. It also accounts for multiple groups by ...

An AB test sample size calculator. Calculations come through basic SciPy.stats methods, the web app is built with Streamlit and hosted on Heroku. See it live here. See also my AB test significance ...

In this article, we will explain what sample size is, why it matters, and how you can calculate it using some simple steps and tools. Sample size is the number of participants or units that you ...