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I'm working on a small and basic matrix I've converted into a heat map, except my color scales are only in relationshp to rows and not the entire matrix as a whole. Changing the scale to "non" leaves my heat map predominantly blank -- can someone direct me on how to adjust a scale relative to my entire matrix and not by row or column?

the_skua
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knrg
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  • Can you provide some code for reproducibility? See: [http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example](http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) – the_skua Jul 28 '16 at 19:17
  • When you say "predominantly blank" that implies some cells are not blank. Are the majority of your data points of a large value and only a handful are small? – K.Daisey Jul 28 '16 at 19:41

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try this:

> matrix<-matrix(data = 1:9,ncol = 3)
> heatmap(matrix, Rowv=NA, Colv=NA, col = heat.colors(256), scale="none", margins=c(5,5))

I think that the problem could be the "non" instead of "none".

Luca Pajola
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