Dear Brian

If you look at ?heatmap and the second paragraph of the Note you will see that it is behaving according to its documentation.

On 23/07/2017 13:11, Brian Smith wrote:
Hi,

I was trying to use par(mfrow) to put 4 heatmaps on a single page. However,
I get one plot per page and not one page with 4 plots. What should I
modify? Test code is given below:

test = matrix(rnorm(60), 20, 3)

pdf(file='test.pdf',width=10,height=8)
par(mfrow=c(2,2))
heatmap(test)
heatmap(test)
heatmap(test)
heatmap(test)
dev.off()

thanks!

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Michael
http://www.dewey.myzen.co.uk/home.html

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