[R] custom tick labels on image

From: Pieter Provoost <pieterprovoost_at_gmail.com>
Date: Fri 07 Jul 2006 - 02:29:30 EST


Hi,

I'm trying to visualise a matrix using image(), and I would like to add the row and column names as tick labels. I tried adding an axis, but the problem is that this axis goes from 0 to 1 which results in labels being added starting at the far right end of the axis.

image(t(data), col = terrain.colors(20), axes=FALSE) axis(3, at = 1:length(colnames(data)), labels=colnames(data))

How can I do this better?
Cheers
Pieter



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