rpact: Confirmatory Adaptive Clinical Trial Design and Analysis

Minimal A/B Testing Library in PHP

Precision Based Sample Size Calculation

Clinical Trial related calculation: descriptive statistics, power and sample size calculation, randomization.

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

AB test sample size calculator run through Streamlit

Free WordPress Plugin: Calculate the exact sample size and margin of error for your next survey or study. Use our free Sample Size Calculator for statistically accurate results. www.calculator.io/sample-size-calculator/

`powerly` is an R package for conducting sample size analysis for network models and more.

Web application to run meta-analyses

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

Package providing functions to calculate pseudo-ranks and (pseudo)-rank based nonparametric test statistics.

Power Analysis for SEM models in R

Sample Size for Medical Research with R: A Quick Guide Cookbook

R package for sample size calculation for the Wilcoxon-Mann-Whitney test.

Code for calculating sample sizes for A/B tests based on power analysis.

SimTOST is an R package designed to facilitate the sample size estimation for bioequivalence studies using a simulation-based approach.

Joint power analysis for non-symmetric two-stage case-control designs

📈 Sample Size Estimation for the {pregnancy} Project

Power and sample size for Hypothesis testiing.