Dear Friends,
I have been trying to save multiple 3x3 (mfrow=c(3,3) graphics inside a loop
using tiff figure format (not using PDF or savePlot functions) with no
success. Could you please help?
Here is a simplified example code:
dat=data.frame (ID=rep(1:10,each=10),IDV=rep(seq(1:10),times=10))
dat$DV <- with(dat, 50+15*IDV)
dat=dat[order(dat$ID,dat$IDV),]
for(i in 1:10){
dt1 = dat[dat$ID==i,]
pagei=as.integer(ceiling(i/9))
#This does not work
if(i==1) {tiff(file=paste("Outfile",pagei,".tiff",sep="")
,width=17.15,height=17.15,units="cm", res=1200, pointsize=10,
compression = "lzw")}
if(i==10) {tiff(file=paste("Outfile",pagei,".tiff",sep="")
,width=17.15,height=17.15,units="cm", res=1200, pointsize=10,
compression = "lzw")}
par(mar=c(5,5,4,1),mfrow=c(3,3))
plot(dt1[, "IDV"],dt1[, "DV"], type="n")
lines(dt1[, "IDV"], dt1[, "DV"], type="b", col=1,lwd=3,pch=1)
title(paste(i),col=8,cex=.8)
if(i==9) dev.off ## close file
}
dev.off()
The idea is to save 2 files with 3x3 layouts but I only get one subject in
Outfile1.
OS: Windows 7 64 bits
R version 2.13.0
Many Thanks,
John
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