I'm trying to display the probability space of a function and wanted to see
specifically where the maximum posterior probability is.
data=read.table(PosteriorData,header=F)
mat=as.matrix(data)
heatmap.2(mat/max(mat,na.rm=T),dendrogram=c(none),trace=c(none),
I think this is what you want, using the volcano dataset as an example:
data(volcano)
heatmap.2(volcano / max(volcano), col=c(heat.colors(16)[1:15],black))
Basically, setting the last color to be black. If you want better
control over exactly what range should be black, you can set the
breaks
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