Read the help page for both and pay particular attention to the "scale"
argument.

Kevin Wright



On Thu, Dec 12, 2013 at 9:45 AM, capricy gao <capricyg@yahoo.com> wrote:

> I have a huge dataset(15k X 18) and tried to use the heatmap in R to
> examine the patterns. However, I found that heatmap and heatmap.2 gave me
> completely different outputs.
>
> Here are the codes:
>
> ------------
>
> > dim(as.matrix(data.dcpm))
> [1] 15462    18
> >
> > heatmap(as.matrix(data.dcpm), col=topo.colors(100))
> > heatmap.2(as.matrix(data.dcpm), col=topo.colors(100), key=TRUE,
> density.inf="none",trace="none", scale="none")
> -------
>
> The outputs are attached here.
>
> Could anyone help me figure out why?
>
> Thanks a lot:)
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>


-- 
Kevin Wright

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