I'm suppressing the labeling of my rows and columns in heatmap.2 using the
commands:
labRow = " ", labCol = " "
But I'd like to annotate them again using the axis command:
axis(1, at=seq(500, 1000, 500))
mtext("Group 1", "Group 2")
For some reason however it appears that the axis command is having no
effect. My complete code is:
hv <- heatmap.2(hmrf, Rowv=1:nrow(hmrf), Colv=1:ncol(hmrf), symm=TRUE,
margin=c(6, 6), trace="none", col=terrain.colors(256),
main = "Heatmap: Respondent Proximities", tracecol="red",
dendrogram="none", colsep=c(398, 811),
rowsep=c(398, 811), labRow = " ", labCol = " ")
axis(1, at=seq(500, 1000, 500))
mtext("Group 1", "Group 2")
Note: I'm preventing re-ordering so that observations within groups are
adjacent to one another. The data is a proximity matrix produced
by random forests.
I suspect I'm making a simple error but not sure what it is. Any advice
would be appreciated. I'm using R 2.2.1 on a Windows XP machine.
Many thanks,
Joe Retzer
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