plotcon | R Documentation |
Outputs a scatterplot from a fixed or random effects meta regression (continuous and/or categorical).
plotcon(g, var, mod, data, method= "random", 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. |
method |
Default is |
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. |
Scatterplot with fixed or random effects regression line with size of visual points based on study weights, where the more precise studies have larger points. The ggplot2 package outputs the rich 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.
mareg
,
plotcat
# SAMPLE DATA MA2 <-read.table(textConnection(" id es1 var1 n.1 n.2 mod1 mod2 1 1 0.5695938 0.04906967 26 30 a 20 2 2 0.4123667 0.04362541 28 34 b 30 3 3 0.4084333 0.04458363 34 28 a 25 4 4 0.5014756 0.04186354 37 29 b 35 5 5 0.5540745 0.04339382 31 32 b 40 6 1 0.5695938 0.04906967 26 30 a 20 7 2 0.4123667 0.04362541 28 34 b 30 8 3 0.4084333 0.04458363 34 28 a 25 9 4 0.5014756 0.04186354 37 29 b 35 10 5 0.5540745 0.04339382 31 32 b 40")) # EXAMPLE plotcon(es1, var1, mod2, data=MA2, method= "fixed", modname="NULL",title="NULL")
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