> I hope that question will not be too redundant (sorry if it is) but
> i don't seem able to find the answer i need in the archives...
>
> I try to create a file which would have 1.several pages and 2.
> several plots by page. I know how to make a pdf file this way, but
> my problem is that the pdf size gets way too big and cannot be open.
>
> So my question is:
> - is there a way to diminish the pdf size/quality?
> - does any other file format exists that would be of smaller quality
> but still be able to print plots on several pages for the same file?
You could try postscript instead. e.g.
p1 <- xyplot(runif(10000)~rnorm(10000)|sample(letters[1:3], 10000,
replace=TRUE), layout=c(1,1))
pdf("test.pdf")
print(p1)
dev.off()
# File size 623kb
postscript("test.ps")
print(p1)
dev.off()
# File size 257kb
The other alternative is to print to a raster format, e.g. png. this
creates different files for different pages, but you could always find a
way to view multiple plot files at once. Some possibilities:
1. Use, e.g., Picasa to browse your plot files.
2. Create a simple webpage containing each image
# R code
png("test%d.png")
print(p1)
dev.off()
# Web page code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
</head>
<body>
<img alt="first plot" src="test1.png" />
<img alt="second plot" src="test2.png" />
<img alt="third plot" src="test3.png" />
</body>
# File sizes 3*13kb + 1kb
Open and save this file in a word processor of your choice, and you can
probably drop the file size even further.
Regards,
Richie.
Mathematical Sciences Unit
HSL
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