Hi;
I have created a geom_tile plot which does roughly what I want but I
have a small tweak I cannot sort out.
I have a dataframe binL, binR, HCount, HProbCount where HCount and
HProbCount have values ranging from 1-150. I plot binL and binR on the
axes respectively and create two charts with the fill being represented
by HCount and HProbCount respectively.
The problem is that I want HCount and HProbCount to use custom
gradients. i.e. a colour for 0-10, next shade for 10-30, next for 30-70
etc.
Due to some magic done on the data, one uses intervals 0,50,100,150 and
the other 0,20,40 etc. - not important but I would be interested to know
why. My plots are created by;
ggplot(DiffMod,aes(binL,binR,fill=HProbCount)) + geom_tile() +
theme_bw() + scale_fill_gradient(low="white",high="red")
ggplot(DiffMod,aes(binL,binR,fill= HCount)) + geom_tile() + theme_bw() +
scale_fill_gradient(low="white",high="red")
I can get the intervals right in the legend using;
ggplot(DiffMod,aes(binL,binR,fill=HProbCount)) + geom_tile() +
theme_bw() +
scale_fill_gradient(low="white",high="red",breaks=c(0,50,100,150))
but this has no impact on the gradients used to colour the plots;
Cheers
Dennis
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