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| pwr-package | Basic power calculations 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 |
| pwr | Basic power calculations 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 |