Power/Sample Size Calculation for Mediation Analysis

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Documentation for package ‘powerMediation’ version 0.3.4

• DESCRIPTION file.
• Package NEWS.

Help Pages

minEffect.SLR	Minimum detectable slope
minEffect.VSMc	Minimum detectable slope for mediator in linear regression based on Vittinghoff, Sen and McCulloch's (2009) method
minEffect.VSMc.cox	Minimum detectable slope for mediator in cox regression based on Vittinghoff, Sen and McCulloch's (2009) method
minEffect.VSMc.logistic	Minimum detectable slope for mediator in logistic regression based on Vittinghoff, Sen and McCulloch's (2009) method
minEffect.VSMc.poisson	Minimum detectable slope for mediator in poisson regression based on Vittinghoff, Sen and McCulloch's (2009) method
power.SLR	Power for testing slope for simple linear regression
power.SLR.rho	Power for testing slope for simple linear regression
powerInteract2by2	Power Calculation for Interaction Effect in 2x2 Two-Way ANOVA Given Effect Sizes
powerLogisticBin	Calculating power for simple logistic regression with binary predictor
powerLogisticCon	Calculating power for simple logistic regression with continuous predictor
powerLong	Power calculation for longitudinal study with 2 time point
powerLong.multiTime	Power calculation for testing if mean changes for 2 groups are the same or not for longitudinal study with more than 2 time points
powerLongFull	Power calculation for longitudinal study with 2 time point
powerMediation.Sobel	Power for testing mediation effect (Sobel's test)
powerMediation.VSMc	Power for testing mediation effect in linear regression based on Vittinghoff, Sen and McCulloch's (2009) method
powerMediation.VSMc.cox	Power for testing mediation effect in cox regression based on Vittinghoff, Sen and McCulloch's (2009) method
powerMediation.VSMc.logistic	Power for testing mediation effect in logistic regression based on Vittinghoff, Sen and McCulloch's (2009) method
powerMediation.VSMc.poisson	Power for testing mediation effect in poisson regression based on Vittinghoff, Sen and McCulloch's (2009) method
powerPoisson	Power calculation for simple Poisson regression
sizePoisson	Sample size calculation for simple Poisson regression
ss.SLR	Sample size for testing slope for simple linear regression
ss.SLR.rho	Sample size for testing slope for simple linear regression based on R2
SSizeLogisticBin	Calculating sample size for simple logistic regression with binary predictor
SSizeLogisticCon	Calculating sample size for simple logistic regression with continuous predictor
ssLong	Sample size calculation for longitudinal study with 2 time point
ssLong.multiTime	Sample size calculation for testing if mean changes for 2 groups are the same or not for longitudinal study with more than 2 time points
ssLongFull	Sample size calculation for longitudinal study with 2 time point
ssMediation.Sobel	Sample size for testing mediation effectd (Sobel's test)
ssMediation.VSMc	Sample size for testing mediation effect in linear regression based on Vittinghoff, Sen and McCulloch's (2009) method
ssMediation.VSMc.cox	Sample size for testing mediation effect in cox regression based on Vittinghoff, Sen and McCulloch's (2009) method
ssMediation.VSMc.logistic	Sample size for testing mediation effect in logistic regression based on Vittinghoff, Sen and McCulloch's (2009) method
ssMediation.VSMc.poisson	Sample size for testing mediation effect in poisson regression based on Vittinghoff, Sen and McCulloch's (2009) method
testMediation.Sobel	P-value and confidence interval for testing mediation effect (Sobel's test)