In cwendorf/easi-dev: Estimation Approach to Statistical Inference

#suppress the warnings and other messages from showing in the knitted file.
knitr::opts_chunk$set(fig.width=7, fig.height=5,fig.path='figures/',echo=TRUE,warning=FALSE,message=FALSE)

library(altEASI)

Estimation Approach to Statistical Inference

Between Subjects Vignette

Three Group Example Data

Group <- c(rep(1,3),rep(2,3),rep(3,3))
Outcome <- c(3,4,5,7,8,9,8,9,10)
Group <- factor(Group,levels=c(1,2,3),labels=c("Group1","Group2","Group3"))

BetweenData <- data.frame(Group,Outcome)
BetweenData

Analyses of Multiple Groups

Confidence Intervals for the Means

ciMeans(Outcome~Group)
ciMeans(Outcome~Group,conf.level=.99)

Plot of the Confidence Intervals for the Means

cipMeans(Outcome~Group)
cipMeans(Outcome~Group,conf.level=.99,mu=5)

Significance Tests for the Means

nhstMeans(Outcome~Group)
nhstMeans(Outcome~Group,mu=5)

Analyses of a Group Comparison

Confidence Interval for a Mean Difference

Comparison=factor(Group,c("Group1","Group2"))
ciDifference(Outcome~Comparison)
ciDifference(Outcome~Comparison,conf.level=.99)
Comparison=factor(Group,c("Group3","Group1"))
ciDifference(Outcome~Comparison)

Plot of the Confidence Interval for the Mean Difference

Comparison=factor(Group,c("Group1","Group2"))
cipDifference(Outcome~Comparison)
cipDifference(Outcome~Comparison,conf.level=.99)

Significance Test of the Mean Difference

nhstDifference(Outcome~Comparison)
nhstDifference(Outcome~Comparison,mu=2)

Analyses of Pairwise Comparisons

Confidence Intervals for the Pairwise Comparisons

ciPairwise(Outcome~Group)
ciPairwise(Outcome~Group,conf.level=.99)

Plot of the Confidence Intervals for the Pairwise Comparisons

cipPairwise(Outcome~Group)
cipPairwise(Outcome~Group,mu=-2,conf.level=.99)

Significance Tests of the Pairwise Comparisons

nhstPairwise(Outcome~Group)
nhstPairwise(Outcome~Group,mu=-2)

Analyses of a Set of Contrasts

Confidence Intervals for the Set of Contrasts

ciContrasts(Outcome~Group,contrasts=contr.sum)
ciContrasts(Outcome~Group,contrasts=contr.sum,conf.level=.99)

ciContrasts(Outcome~Group,contrasts=contr.treatment)
ciContrasts(Outcome~Group,contrasts=contr.poly)
ciContrasts(Outcome~Group,contrasts=contr.helmert)
ciContrasts(Outcome~Group,contrasts=contr.SAS)

Plot of the Confidence Intervals for the Set of Contrasts

cipContrasts(Outcome~Group,contrasts=contr.sum)
cipContrasts(Outcome~Group,contrasts=contr.sum,conf.level=.99)

cipContrasts(Outcome~Group,contrasts=contr.treatment)
cipContrasts(Outcome~Group,contrasts=contr.poly)
cipContrasts(Outcome~Group,contrasts=contr.helmert)
cipContrasts(Outcome~Group,contrasts=contr.SAS)

Significance Tests of the Set of Contrasts

nhstContrasts(Outcome~Group,contrasts=contr.sum)
nhstContrasts(Outcome~Group,contrasts=contr.treatment)
nhstContrasts(Outcome~Group,contrasts=contr.poly)
nhstContrasts(Outcome~Group,contrasts=contr.helmert)
nhstContrasts(Outcome~Group,contrasts=contr.SAS)

cwendorf/easi-dev documentation built on Oct. 23, 2020, 4:28 p.m.