cor.to.z                Conversion from a correlation to a z-value
                        (Fisher's z-transformation)
cors.to.q               Conversion from a correlation Difference to
                        Cohen's q
d.to.cles               Conversion from Cohen's d to Common Language
                        Effect Size
etasq.to.f              Conversion from Eta-squared to Cohen's f
f.to.etasq              Conversion between Cohen's f and Eta-squared
f.to.rsq                Conversion from Cohen's f to R-squared
factorial.contrasts     Factorial Contrasts
inflate.sample          Inflate Sample Size for Attrition
joint.probs.2x2         Helper function to converts joint probabilities
                        to marginal probabilities for the McNemar test
                        applied to paired binary data.
marginal.probs.2x2      Helper function to converts marginal
                        probabilities to joint probabilities for the
                        McNemar test applied to paired binary data.
means.to.d              Conversion from Means and Standard Deviations
                        to Cohen's d
means.to.etasq          Conversion from Means and Standard Deviations
                        to Cohen's f and Eta-squared
power.binom.test        Power Analysis for the Generic Binomial Test
power.chisq.gof         Power Analysis for Chi-square Goodness-of-Fit
                        or Independence Tests
power.chisq.test        Statistical Power for the Generic Chi-Square
                        Test
power.exact.fisher      Power Analysis for Fisher's Exact Test
                        (Independent Proportions)
power.exact.mcnemar     Power Analysis for McNemar's Exact Test (Paired
                        Proportions)
power.exact.onecor      Power Analysis for One-Sample Correlation
                        (Exact)
power.exact.oneprop     Power Analysis for the Test of One Proportion
                        (Exact Method)
power.exact.twoprops    Power Analysis for Testing Difference Between
                        Two Proportions (Exact Method)
power.f.ancova          Power Analysis for One-, Two-, Three-Way
                        ANOVA/ANCOVA Using Effect Size (F-Test)
power.f.ancova.keppel   Power Analysis for One-Way ANOVA/ANCOVA Using
                        Means and Standard Deviations (F test)
power.f.ancova.shieh    Power Analysis for One-, Two-, Three-Way ANCOVA
                        Using Means, Standard Deviations, and
                        (Optionally) Contrasts (F test)
power.f.mixed.anova     Power Analysis for Mixed-Effects Analysis of
                        Variance (F-Test)
power.f.regression      Power Analysis for Linear Regression: R-squared
                        or R-squared Change (F-Test)
power.f.test            Statistical Power for the Generic F-Test
power.lp.test           Statistical Power for the Lambda-Prime
                        Distribution
power.np.wilcoxon       Power Analysis for Non-parametric Rank-Based
                        Tests (One-Sample, Independent, and Paired
                        Designs)
power.t.contrast        Power Analysis for One-, Two-, Three-Way ANCOVA
                        Contrasts and Multiple Comparisons (T-Tests)
power.t.contrasts       Power Analysis for One-, Two-, Three-Way ANCOVA
                        Contrasts and Multiple Comparisons (T-Tests)
power.t.regression      Power Analysis for Linear Regression: Single
                        Coefficient (T-Test)
power.t.student         Power Analysis for Student's t-Test
power.t.test            Statistical Power for the Generic t-Test
power.t.welch           Power Analysis for Welch's t-Test
power.z.logistic        Power Analysis for Logistic Regression
                        Coefficient (Wald's Z-Test)
power.z.mediation       Power Analysis for Indirect Effects in a
                        Mediation Model (Z, Joint, and Monte Carlo
                        Tests)
power.z.onecor          Power Analysis for One-Sample Correlation
power.z.oneprop         Power Analysis for the Test of One Proportion
                        (Normal Approximation Method)
power.z.poisson         Power Analysis for Poisson Regression
                        Coefficient (Wald's z Test)
power.z.test            Statistical Power for the Generic z-Test
power.z.twocors         Power Analysis for Independent Correlations
power.z.twocors.steiger
                        Power Analysis for Dependent Correlations
                        (Steiger's Z-Test)
power.z.twoprops        Power Analysis for Testing Difference Between
                        Two Proportions (Normal Approximation Method)
probs.to.h              Conversion from Probability Difference to
                        Cohen's h
probs.to.w              Conversion from Probabilities to Cohen's w
q.to.cors               Conversion from a Cohen's q to a correlation
                        difference
rsq.to.f                Conversion from R-squared to Cohen's f
z.to.cor                Conversion from a z-value to a correlation
                        (inverse Fisher's z-transformation)
