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