[BioC] RLE plot from expression dataset

[cstrato]

Hi,

W/o guarantee that it is correct:
If 'm' are your log transformed values then you can do:

       mn  <- apply(m, 1, median)
       rle <- data.frame(sweep(m, MARGIN=1, STATS=mn, FUN='-'))
       boxplot(rle,...)

Regards,
Christian


On 9/13/13 3:31 PM, QAMRA Aditi (GIS) wrote:
> Hi,
>
> I wish to draw a RLE plot from my expression dataset which already is preprocessed and has log transformed values. Is there an  inbuilt function ( apart from the one in affy package that uses a PLMset ) that can calculate the medians and further deviations to output the RLE plot ?
>
> Thanks !
>
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