plotcat | R Documentation |
Outputs boxplot graphic for each level of the specified moderator.
plotcat(g, var, mod, data, modname=NULL, title=NULL, ...)
g |
Hedges g (unbiased estimate of d) effect size. |
var |
Vaiance of g. |
mod |
Categorical moderator variable used for moderator analysis. |
data |
|
modname |
Name of moderator to appear on x axis of plot. Default is NULL. |
title |
Plot title. Default is NULL. |
... |
Additional arguments to be passed to ggplot. |
Boxplot graph with median, max, min, and outliers from a fixed or random effects categorical moderator analysis. Places jitter points (for each study) on the boxplots. The size of each point (representing a study in the analysis) are based on study weights where more precise studies have larger points. The ggplot2 package outputs the graphics.
AC Del Re & William T. Hoyt
Maintainer: AC Del Re acdelre@gmail.com
Cooper, H., Hedges, L.V., & Valentine, J.C. (2009). The handbook of research synthesis and meta-analysis (2nd edition). New York: Russell Sage Foundation.
macat
,
plotcon
id<-c(1, 1:19) n.1<-c(10,20,13,22,28,12,12,36,19,12,36,75,33,121,37,14,40,16,14,20) n.2 <- c(11,22,10,20,25,12,12,36,19,11,34,75,33,120,37,14,40,16,10,21) g <- c(.68,.56,.23,.64,.49,-.04,1.49,1.33,.58,1.18,-.11,1.27,.26,.40,.49, .51,.40,.34,.42,1.16) var.g <- c(.08,.06,.03,.04,.09,.04,.009,.033,.0058,.018,.011,.027,.026,.0040, .049,.0051,.040,.034,.0042,.016) mod<-factor(c(rep(c(1,1,2,3),5))) df<-data.frame(id, n.1,n.2, g, var.g,mod) # Example ## Not run: plotcat(g = g, var = var.g, mod = mod, data = df, method= "random", modname= "Moderator") ## End(Not run)
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