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chitekete
2008 Nov 17
1
HELP ON SCALING GENE EXPRESSION DATA TO -1,0,1
...Is there a way to scale all the data on the matrix
such that when i plot it on a heat map it it reflecting the relative
expression of of each feature, against the treatment condition without
being fixed to the -1, to 1 scale.
Below is how the code i used.
library(gplots)
zcz<- read.table("chitekete.csv", header = T, row.names=1, sep=",");
xcc <- cor(zcz);
pdf("SIGA.pdf", height=10,width=9)
heatmap.2(xcc, margins= c(9,9), col = bluered(64), trace=c("none"),
breaks=c(seq(-1,1,1/32)), symkey=TRUE, density.info="histogram",
cexRow=1)
I thank you a...