Re: [aroma.affymetrix] custom CDF and flat file problems

2010-01-17 Thread Mark Robinson
Hi Zaid. Bit hard to tell from the information you've given us. So, you built a custom CDF file. Did you check its contents? For example, you could do: cdf - AffymetrixCdfFile() readCdf( getPathname(cdf), units=1:2 ) ... and you could check that the indices/X-Y values match what your

[aroma.affymetrix] Re: Gene-Level Summarization of Expression Data

2010-01-17 Thread Mark Robinson
Hi Randy. From that error message, it looks like there was a mix of CDF files being used (my guess is 54675 corresponds to the number of Affymetrix probesets, whereas 30625 corresponds to the Refseq reorganization of probesets). Can you post the code you ran? Cheers, Mark On 16-Jan-10,