Minimal A/B Testing Library in PHP

Free WordPress Plugin: This sample size calculator enables you to calculate the minimum sample size and the margin of error. Learn about sample size, the margin of error, & confidence interval. www.calculator.io/sample-size-calculator/

This python project is a helper package that uses power analysis to calculate required sample size for any experiment

Design of single- and multi-stage multi-arm clinical trials

A web application to design and evaluate the results of A/B tests.

Survey Planning Tools

Collection of scripts and modules for biostatistics and data science simple automation for research process.

Project repository of the Matters Arising commentary "Multivariate BWAS can be replicable with moderate sample sizes in some cases""

MinSizeML (Minimum Size for Machine Learning) R package that contains functions to estimate the minimum sample size for machine learning

Tools for power analysis, sample size requirements, minimum detectable effects (MDE) calculation

Code for the paper "Comparison of discrimination and calibration performance of ECG-based machine learning models for prediction of new-onset atrial fibrillation"

Power and Sample Size Calculation for the Cochran-Mantel-Haenszel Chi-Squared Test

jamovi wrapper for pwrss package

Sample size and power for association studies involving mitochondrial DNA haplogroups -

Beginner's statistics in R

BDEsize: An R Package for efficient determination of sample size in a balanced design of experiments. To cite this Original Software Publication: https://www.sciencedirect.com/science/article/pii/S2352711021001229

The CIdemo app gives an easily accessible interactive demonstration of frequentistic confidence intervals (CI's).

Randomised treatment-control trials with binary composite endpoints

An Implementation of Equations for Calculating Sample Sizes for Various Estimators in R

An R Shiny App that assesses sampling effects (e.g. sample size and BEAST parameters) on GMYC output for species delimitation.