Exact logistic regression

Bernoulli (0 or 1) or binomial (number of successes in n trials) dependent variable

Exact joint hypothesis tests


Confidence intervals


Exact Poisson regression

Count data

Exact confidence intervals for incidence-rate ratios


Postestimation Selector*

View and run all postestimation features for your command

Automatically updated as estimation commands are run

Watch Postestimation Selector.


Exact epidemiologic statistics

Case–control studies

Cohort studies

Incidence-rate ratios and differences

Matched case–control studies

Indirect standardization


Other exact statistics

Binomial probability tests

Binomial or Poisson confidence intervals for means and count

Binomial confidence interval for centiles

Two-sample Kolmogorov–Smirnov test

Large one-way analysis of variance

Equality-of-medians test

Binomial confidence interval for ROC area

Symmetry and marginal homogeneity tests

Two-way tables with Fisher’s exact test

Tetrachoric correlations