On Feb 22, 2012, at 5:28 AM, josh rosen wrote:
Hi,
I have created two separate overlapping density plots- see example
code
below.
What I wish now to do is combine them into one figure where they sit
side
by side.
Any help would be great!
many thanks in advance, josh.
#####################
thedataA <- data.frame(x1=rnorm(100,1,1),x2=rnorm(100,3,1)) #create
data
thedataA.m<-melt(thedataA)
densityplot(~value, thedataA.m,
groups=variable,auto.key=list(columns=2),
panel = function(x, y, ...) {
panel.densityplot(x, ...)
panel.abline(v=0)
}
)
The syntax for grouping (which gives theoverlaid but different colors
as default output) and "separation" is fairly simple. Use the "|"
operator for separated plots and the " .., groups= <var>, .."
parameter for overlaying results. It's only going to work easily if
they are all in the same dataset.
Try:
bigset <- cbind( rbind(thedataA.m, thedataB.m), ABgrp=rep(c("datA",
"datB"), each=200) )
densityplot(~value|ABgrp, data=bigset, groups=variable,
auto.key=list(columns=2),
panel = function(x, y, ...) {
panel.densityplot(x, ...)
panel.abline(v=0) } )
And please work on whatever practice is producing duplicate postings.
--
David.
thedataB <- data.frame(x1=rnorm(100,2,1),x2=rnorm(100,4,1)) #create
data
thedataB.m<-melt(thedataA)
I assume that is a copy-paste-fail-to-correct error.
densityplot(~value, thedataB.m,
groups=variable,auto.key=list(columns=2),
panel = function(x, y, ...) {
panel.densityplot(x, ...)
panel.abline(v=0)
}
)
######################
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David Winsemius, MD
West Hartford, CT
______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
