WebPower v0.5

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Basic and Advanced Statistical Power Analysis

This is a collection of tools for conducting both basic and advanced statistical power analysis including correlation, proportion, t-test, one-way ANOVA, two-way ANOVA, linear regression, logistic regression, Poisson regression, mediation analysis, longitudinal data analysis, structural equation modeling and multilevel modeling. It also serves as the engine for conducting power analysis online at <https://webpower.psychstat.org>.

Functions in WebPower

Name Description
WebPower-package Basic and Advanced Statistical Power Analysis
wp.effect.CRT2arm Effect size calculatator based on raw data for Cluster Randomized Trials with 2 Arms
summary.power Summary Statistical Power Analysis Results
wp.anova Statistical Power Analysis for One-way ANOVA
wp.anova.count Statistical Power Analysis for One-way ANOVA with Count Data
wp.effect.CRT3arm Effect size calculatator based on raw data for Cluster Randomized Trials with 3 Arms
wp.sem.chisq Statistical Power Analysis for Structural Equation Modeling based on Chi-Squared Test
wp.mc.t Power analysis for t-test based on Monte Carlo simulation
wp.logistic Statistical Power Analysis for Logistic Regression
wp.mediation Statistical Power Analysis for Simple Mediation
wp.mc.sem.basic Statistical Power Analysis for Structural Equation Modeling / Mediation based on Monte Carlo Simulation
plot.lcs.power Plot the power curve for Latent Change Score Models
wp.regression Statistical Power Analysis for Linear Regression
wp.blcsm Statistical Power Curve for Bivariate Latent Change Score Models based on Monte Carlo Simulation
wp.sem.rmsea Statistical Power Analysis for Structural Equation Modeling based on RMSEA
wp.kanova Power analysis for two-way, three-way and k-way ANOVA
wp.lcsm Statistical Power Curve for Univariate Latent Change Score Models based on Monte Carlo Simulation
wp.correlation Statistical Power Analysis for Correlation
wp.mrt2arm Statistical Power Analysis for Multisite Randomized Trials with 2 Arms
wp.mmrm Power analysis for longitudinal data analysis
wp.t Statistical Power Analysis for t-Tests
wp.rmanova Statistical Power Analysis for Repeated Measures ANOVA
wp.effect.MRT2arm Effect size calculatator based on raw data for Multisite Randomized Trials with 2 Arms
wp.effect.MRT3arm Effect size calculatator based on raw data for Multisite Randomized Trials with 3 Arms
wp.popPar Extract Population Value Table
wp.mc.sem.boot Statistical Power Analysis for Structural Equation Modeling / Mediation based on Monte Carlo Simulation: bootstrap method
wp.mc.sem.power.curve Statistical Power Curve for Structural Equation Modeling / Mediation based on Monte Carlo Simulation
wp.mrt3arm Statistical Power Analysis for Multisite Randomized Trials with 3 Arms
wp.poisson Statistical Power Analysis for Poisson Regression
wp.prop Statistical Power Analysis for Tests of Proportions
nuniroot Sove An Single Equation
estCRT2arm Estimate multilevel effect size from data
plot.webpower To plot Statistical Power Curve
MRT2 Example Data For MRT With 2 Arms
wp.anova.binary Statistical Power Analysis for One-way ANOVA with Binary Data
MRT3 Example Data For MRT With 3 Arms
wp.crt2arm Statistical Power Analysis for Cluster Randomized Trials with 2 Arms
CRT3 Example Data For CRT With 3 Arms
wp.crt3arm Statistical Power Analysis for Cluster Randomized Trials with 3 Arms
CRT2 Example Data For CRT With 2 Arms
print.webpower To Print Statistical Power Analysis Results
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Details

Date 2018-04-01
License GPL (>= 3)
URL https://webpower.psychstat.org
Encoding UTF-8
LazyLoad yes
LazyData yes
NeedsCompilation no
Packaged 2018-04-13 14:22:24 UTC; johnny
Repository CRAN
Date/Publication 2018-04-16 09:08:06 UTC

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