[BioC] Heatmaps for one sample?

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

how about something like:

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

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


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
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