Data Analysis

Compute conversion-rate or mean differences, 95%/99% confidence intervals, two-sided p-values (Z-test for proportions, Welch t for continuous metrics), lift, sample size for 80%/90% power, recommended experiment days, plus sequential-testing and Bonferroni multiple-comparison warnings.

Data Processing

AI-powered data format normalization tool that intelligently cleans and standardizes messy data using advanced AI analysis