Sample size calculators

A library for calculation of sample sizes for clinical trials.

Supports sample size calculation for:

• Binary outcome
  • Superiority trial
  • Equivalence trial
  • Non-inferiority trial
• Continuous outcome
  • Superiority trial
  • Equivalence trial
  • Non-inferiority trial

See this library in use at www.sealedenvelope.com/power

Tests

Tests for the current HEAD can be run here.