[R] Plot command overwrites existing plot in multiple figure plot

[marcel]

Hi all,
I have a figure with 5 separate graphs in a stacked layout. While most of my
plots drop into their appointed spots nicely, my last plot, using lattice
and the plot(object) command insists on wiping out my current plot window
altogether, and just plotting the last figure by itself. The relevant part
of my code is of the form:

nf <-
layout(matrix(c(1,1,1,1,0,0,2,2,2,2,0,0,3,3,3,3,0,0,4,4,4,4,0,0,5,5,5,5,0,0),5,6,
byrow=TRUE), respect=FALSE)

#first plot, plots well
attach(data1)
par(mar=c(0.2,4.5,0.2,0.5))
plot(var1, var2, frame=T, etc..) 
detach(data1)

#second plot, plots fine
attach(data2)
par(mar=c(0.2,4.5,0.2,0.5))
plot(var3, var4, frame=T, etc...) 
detach(data1)

require(lattice)
tmpdf <- data.frame(Mydata)
tmpdf                               #data show up fine
barchart(values ~ Time, group=ind, data=tmpdf, stack=TRUE, horizontal=FALSE)
xyplot(values ~ Time, group=ind, data=tmpdf, stack=TRUE, horizontal=FALSE,
panel=panel.barchart, ylim=c(-0.05,1.05), xlim=c(0,6))

# Problem here. This command will wipe out my existing window (prints
briefly and is then quickly replaced by the plot below
print(xyplot(values ~ Time, group=ind, data=tmpdf, stack=TRUE,
horizontal=FALSE, panel=panel.barchart, ylim=c(-0.05,1.05), xlim=c(0,6)))

Is there any way around this problem?

Marcel


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