On Jul 18, 2011, at 3:34 PM, rebioman wrote:
Hi all,
new to this forum
I'm try to using R to draw a heatmap of my RNA-seq data
before doing that I did a log2 transformation of my data and produce
a lot
-inf in the matrix
when I try to use the heatmap function, it seems can not deal with
the -inf
so I was wondering how to deal with these gene with 0rpkm(they are
not 0 in
all samples, so I want to keep them in the heatmap)
thanks
?is.infinite
Could be used to replace infinities with a suitably low number, which
can only be determined from the data context.
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