[BioC] question about heatmap.2

Christof Winter winter at biotec.tu-dresden.de
Mon Mar 16 17:15:53 CET 2009



Wei Xu wrote, On 16.03.2009 16:52:
> Hi, there,
> 
> This is a simple question.
> 
> I'm trying to read my data from a .csv file and draw a heatmap with
> heatmap.2.
> Here is my code,
> 
> data=read.csv("file.csv", header=T)
> x=as.matrix(data[,2:5])
> heatmap.2(x)
> 
> The file.csv includes 5 columns and 118 rows. First columns are the labels
> for the each probe.
> 
>               ID Temperature Agitation Oxygen Adhesion
> BG03_B01      -0.098     0.013  0.007    0.064
> BG04_A09       0.025     0.013 -0.011   -0.054
> BG04_A11      -0.005     0.000  0.018    0.050
> 
> When I had my heatmap, the probes were labeled with the number from 1 to 117
> instead of the ID numbers in the file. My question is how can I label each
> probe in the heatmap with their IDs. Thanks.
> 
> Wei
> 

Try

heatmap.2(x, labRow=x$ID)

Christof



More information about the Bioconductor mailing list