Statistical Power and Sample Size Calculation Tools

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Documentation for package ‘pwrss’ version 0.3.1

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

Help Pages

plot.pwrss	Type I and Type II Error Plot
power.chisq.test	Statistical Power for the Generic Chi-square Test
power.f.test	Statistical Power for the Generic F Test
power.t.test	Statistical Power for the Generic t Test
power.z.test	Statistical Power for the Generic z Test
pwrss.chisq.gofit	Goodness-of-Fit or Independence (Chi-square Test)
pwrss.f.ancova	Analysis of (Co)Variance (F test)
pwrss.f.anova	Analysis of (Co)Variance (F test)
pwrss.f.reg	Linear Regression: R-squared or R-squared Difference (F Test)
pwrss.f.regression	Linear Regression: R-squared or R-squared Difference (F Test)
pwrss.f.rmanova	Repeated Measures Analysis of Variance (F test)
pwrss.np.2groups	Difference between Two Groups (Non-parametric Tests for Independent and Paired Samples)
pwrss.np.2means	Difference between Two Groups (Non-parametric Tests for Independent and Paired Samples)
pwrss.t.2means	Difference between Two Means (t or z Test for Independent or Paired Samples)
pwrss.t.mean	One Mean against a Constant (z or t Test)
pwrss.t.reg	Linear Regression: Single Coefficient (t or z Test)
pwrss.t.regression	Linear Regression: Single Coefficient (t or z Test)
pwrss.z.2corrs	Difference between Two Correlations (Independent Samples z Test)
pwrss.z.2cors	Difference between Two Correlations (Independent Samples z Test)
pwrss.z.2means	Difference between Two Means (t or z Test for Independent or Paired Samples)
pwrss.z.2props	Difference between Two Proportions (z Test)
pwrss.z.cor	One Correlation against a Constant (One Sample z Test)
pwrss.z.corr	One Correlation against a Constant (One Sample z Test)
pwrss.z.logistic	Logistic Regression: Single Coefficient (Large Sample Approx. Wald's z Test)
pwrss.z.logreg	Logistic Regression: Single Coefficient (Large Sample Approx. Wald's z Test)
pwrss.z.mean	One Mean against a Constant (z or t Test)
pwrss.z.med	Indirect Effect in Mediation Analysis (z, Joint, and Monte Carlo Tests)
pwrss.z.mediation	Indirect Effect in Mediation Analysis (z, Joint, and Monte Carlo Tests)
pwrss.z.poisreg	Poisson Regression: Single Coefficient (Large Sample Approx. Wald's z Test)
pwrss.z.poisson	Poisson Regression: Single Coefficient (Large Sample Approx. Wald's z Test)
pwrss.z.prop	One Proportion against a Constant (z Test)
pwrss.z.reg	Linear Regression: Single Coefficient (t or z Test)
pwrss.z.regression	Linear Regression: Single Coefficient (t or z Test)