[R] Adding labels to heatmaps from image()

[Uwe Ligges]

drajaman at bidmc.harvard.edu wrote:
> Hi,
> 
> I have been trying to add labels to the rows of a heatmap produced using image() function. It is simply not working. Here is what I did.
> 
> A2Rplot.hclust(hcc,k=length(num),col.up="black",col.down=num,lty.up=2,lty.down=1,lwd.up=1,lwd.down=2,show.labels=FALSE)
> #used the above external program to create a colored dendrogram
> xsort <- x[1:nrow(x), hcc$labels[hcc$order]]
> go<-genes[hc$order]
> image(scale(t(xsort)), col=greenred(60),xaxt="n", yaxt="n")
> di <- dim(x)
> nr<-di[1]
> nc<-di[2]
> axis(4, 1:nr, labels=go, las= 2, line= 0, tick=TRUE, cex.axis= 2)
> 
> The output pdf I get is attached in this mail. I just get the first member of the vector "go" on axis(4). It looks like the program does not know where or how long axis(4) should be. 
> 
> I have been stuck with this problem for the past couple of days, desperately need help.

Where is the reproducible example the posting guide asks you to provide?

Uwe Ligges



> Thanks
> Deepa Rajamani
> 
> 
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