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tal
2012 Sep 28
1
Heatmap Colors
Hello R-Users!
I'm using a heatmap to visualize a matrix of values between -1 and 3.
How can I set the colors so that white is zero, below zero is blue of
increasing intensity towards -1 and above zero is red of increasing
intensity towards red?
I tried like this (using the marray and gplots packages from bioconductor):
mcol <- maPalette(low="blue", mid="white",