If you look at the help for heatmap.2 (in the gplots package) you will see
the following explanation for breaks
# mapping data to colors
breaks,
symbreaks=min(x < 0, na.rm=TRUE) || scale!="none",
If you run your code with the second call to the heatmap.2() functio
I do set the breaks parameter in heatmap.2
I would expect that the color.key and the histogram (the thing in the
top left of the plot) are aligned.
Just that everyone can reproduce the problem:
mypalette<-brewer.pal(11,"RdYlBu")
ddd <- rnorm(400,0,0.1)
mdd <- matrix(ddd,ncol=50)
hm <- heatmap.2(m
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