Statistical Analysis Advisor
Load your own CSV or pick a sample dataset. The app checks your data's assumptions, decides which statistical test is appropriate, explains why , and runs it — with p-values, effect sizes and confidence intervals.
1 · Data
Sample datasets — selecting one loads it immediately
— Select a sample dataset —
Drug vs Placebo — blood pressure drop (2 independent groups, normal)
Pain score before/after therapy (paired, ordinal / skewed)
Hospital length of stay: 2 clinics (skewed, non-normal)
Three electrode gels — SNR (3 independent groups)
Treatment × Outcome (categorical 2×3 contingency)
Age vs HRV SDNN (two numeric variables)
Clear
Or paste / upload CSV (first row = column names)
Load Data
2 · What do you want to compare?
Question / design
Auto — let the advisor decide
Compare a numeric variable between 2 groups
Compare a numeric variable between 3+ groups
Compare two paired measurements (before / after)
Compare one numeric variable to a reference value
Association between two categorical variables
Correlation between two numeric variables
Variable 1
Variable 2 (group / second measure)
Significance level α
0.05 0.01 0.10
Reference value μ₀ (one-sample only)
Analyze