| 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 |