[R] Heatmap: draw horizontal line
Matthias.Kohl at stamats.de
Wed May 6 20:06:22 CEST 2009
heatmap.2(mat,Rowv=NA,trace = 'none',key=F, add.expr = abline(h =
c(3.5,5.5), lwd = 3))
what your are looking for?
Paul Evans schrieb:
> I wanted to draw a heatmap with some horizontal lines. For example:
> #------ code ------
> mat <- matrix(-1:1,7,9)
> heatmap.2(mat,Rowv=NA,trace = 'none',key=F)
> #----end code -----
> In this heatmap, I want to subgroup the rows. For instance, I would like to group rows 5,6 & 7 together, and would draw a black line between rows 4 & 5 to demarcate the group. Similarly, I want to group rows 3 & 4 in one group, and would like to put a black line between rows 2 & 3.
> I guess I'm looking for the 'hline' parameter or something, but couldn't find it in the documentation.
> Any help would be appreciated!
> [[alternative HTML version deleted]]
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Dr. Matthias Kohl
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