[BioC] Heatmaps for one sample?

Michael Dondrup Michael.Dondrup at uni.no
Wed Jul 28 18:19:08 CEST 2010


Hi,
how about something like:

> mat = t(matrix(rnorm(100)))
> image(mat)

needs some tuning of colors and axis labels of course. see ?image

Cheers
Michael

Am Jul 28, 2010 um 6:09 PM schrieb Sean Davis:

> On Wed, Jul 28, 2010 at 5:04 AM, Sarah Bonnin <sbonnin at crg.es> wrote:
> 
>> Dear list,
>> 
>> I have a short question: I'm performing heatmaps on lists of genes selected
>> as being differentially expressed on a set of 4 technical replicates (from
>> an Agilent gene expression 2 colors experiment).
>> 
>> As technical replicates are behaving very similarly, I am taking the median
>> values of the replicates log2ratios, and basically trying to get a heatmaps
>> that would display only one column, being the median value, and the genes on
>> lines.
>> 
>> I'm using heatmap.2 which doesn't draw heatmaps for data containing less
>> than 2 columns and 2 rows, so I was wondering if there was a function which
>> does this?
>> 
>> I know that it doesn't make so much sense, especially not using biological
>> replicates, but it has a more "visual" goal!
>> 
>> 
> I'd consider using a simple bar chart or a waterfall plot.
> 
> Sean
> 
> 	[[alternative HTML version deleted]]
> 
> _______________________________________________
> Bioconductor mailing list
> Bioconductor at stat.math.ethz.ch
> https://stat.ethz.ch/mailman/listinfo/bioconductor
> Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor



More information about the Bioconductor mailing list