Message-ID: <CAAjnpdh_k7HL1JMtH8OmHwk5=uK9XafpC4ksZ8oaJHn7udD1BQ@mail.gmail.com>
Date: 2013-07-25T18:12:34Z
From: Witold E Wolski
Subject: heatmap scale parameter
does change only the colors but dendrograms are unaffected.
d <- matrix(rnorm(100),nrow=20)
heatmap(d)
heatmap(d,scale="column")
heatmap(d,scale="row")
heatmap(d,scale="none")
However scaling clearly affects clustering. see:
d <- scale(d)
heatmap(d,scale="none")
R version 3.0.1 (2013-05-16) -- "Good Sport"
Copyright (C) 2013 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
ciao
--
Witold Eryk Wolski