# Basic Functions for Power Analysis

## Documentation for package ‘pwr’ version 1.3-0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

pwr-package | Basic Functions for Power Analysis pwr
cohen.ES | Conventional effects size
ES.h | Effect size calculation for proportions
ES.w1 | Effect size calculation in the chi-squared test for goodness of fit
ES.w2 | Effect size calculation in the chi-squared test for association
plot.power.htest | Plot diagram of sample size vs. test power
pwr | Basic Functions for Power Analysis pwr
pwr.2p.test | Power calculation for two proportions (same sample sizes)
pwr.2p2n.test | Power calculation for two proportions (different sample sizes)
pwr.anova.test | Power calculations for balanced one-way analysis of variance tests
pwr.chisq.test | power calculations for chi-squared tests
pwr.f2.test | Power calculations for the general linear model
pwr.norm.test | Power calculations for the mean of a normal distribution (known variance)
pwr.p.test | Power calculations for proportion tests (one sample)
pwr.r.test | Power calculations for correlation test
pwr.t.test | Power calculations for t-tests of means (one sample, two samples and paired samples)
pwr.t2n.test | Power calculations for two samples (different sizes) t-tests of means