[R] heatmap

michael watson (IAH-C) michael.watson at bbsrc.ac.uk
Mon Oct 8 13:34:36 CEST 2007

If you just want a coloured representation of your distance matrix, use image()
If you want to cluster your original data and show the original data (not the distances) as a heatmap then use heatmap(), but you should use something like hclust() to cluster the data first.


From: r-help-bounces at r-project.org on behalf of Andreas Gruber
Sent: Mon 08/10/2007 12:28 PM
To: r-help at r-project.org
Subject: [R] heatmap


I am having troubles with heatmap(). I have a matrix containing pairwise
distance values and I want to plot this matrix with heatmap. I wonder
now what distfun is for. Is a distance matrix computed from my initial
matrix again and then plotted?


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