Re: [aroma.affymetrix] Problem generating CDF file (Arabidopsis)

2009-12-06 Thread Mark Robinson
Hi Renyi. The reason we require startpos 0 is that many of the BPMAP files we've looked at have control antigenomic probes in them and these all have startpos=0, so this was an easy way to filter them out. I think you are right though that startpos could start at 0, so your workaround

[aroma.affymetrix] Re: more question on tiling array

2009-12-06 Thread Mark Robinson
Hi Renyi. Even though your questions aren't aroma.affymetrix-specific, I'll send my responses to the aroma.affymetrix list in case others have the same questions. Comments below. On 6-Dec-09, at 6:46 PM, Renyi Liu wrote: Hi, Mark, Thanks again for helping me with my previous question on