Dear R-Helpers,
I have a short question related to heatmap.2 function. I wanted to change
the dimension of each cell in the heatmap drawn by this function.
here is a reproducible example from the help page
library(gplots)
data(mtcars)
x <- as.matrix(mtcars)
rc <- rainbow(nrow(x), start=0, end=.3)
cc <- rainbow(ncol(x), start=0, end=.3)
hv <- heatmap.2(x, col=cm.colors(255), scale="column",
RowSideColors=rc, ColSideColors=cc, margin=c(5, 10),
xlab="specification variables", ylab= "Car Models",
main="heatmap(, ..., scale=\"column\")",
tracecol="green", density="density")
This gives me a heatmap similar to the 9th heatmap on this page.
http://bm2.genes.nig.ac.jp/RGM2/R_current/library/gplots/man/heatmap.2.html
Now, my question is - if I wanted to increase the dimension of each cell in
this heatmap - say- from 1 inch x 2 inch to 3 inch x 4 inch ( it is OK if I
can do this in terms of pixels). Is it possible to do this ? (It is
equivalent to zooming the current heatmap)
I tried increasing the image dimension but that did not work.
I don't know if this is clear enough. Please accept my apologies in advance.
Thanks and Best Regards,
Sanvesh.
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