Classic comparisons
Means (t-tests)
Proportions
Variances
Correlations
McNemar’s test
ANOVA
One-way models
Two-way models
Repeated-measures models
Cochran—Mantel—Haenszel test
Matched case—control studies
Cochran—Armitage trend test
Survival analysis
Log-rank test of survival functions
Cox proportional hazards model
Exponential regression
Solve for
Power
Sample size
Effect size (minimum detectable effect)
Designs
Matched case–control studies
Cohort studies
Cross-sectional studies
Balanced
Unbalanced
Specify lists of
Alpha values
Power levels
Beta values
Sample sizes
Ratios of sample sizes
And more
Multiple scenarios using
All combinations of values
Parallel lists of values
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Control panel interface
Select analysis type from descriptive summaries
Specify list of power, sample size, or other levels
Automated tables and graphs
Customize tables and graphs
Command interface too (of course)
Tables
Automated
Customized
Graphs
Automated
Customized
Simple or comparative
Save results to dataset
Add your own methods
