[aroma.affymetrix] Re: Question about the outcome CEL files

2009-07-22 Thread Henrik Bengtsson
Hi. On Tue, Jul 21, 2009 at 9:23 PM, Stellaw Chaostellaw.c...@gmail.com wrote: Dear aroma.affymetrix developers, I am a little bit confused while using ur package aroma.affymetrix to process my dataset. The following is my code—— setwd(C:/Array Files_CP2Bonly) library(aroma.affymetrix)

[aroma.affymetrix] Re: Reference data for CN analysis

2009-07-22 Thread Henrik Bengtsson
To add to the list of references, see also: Yamamoto, G.; Nannya, Y.; Kato, M.; Sanada, M.; Levine, R. L.; Kawamata, N.; Hangaishi, A.; Kurokawa, M.; Chiba, S.; Gilliland, D. G.; Koeffler, H. P. Ogawa, S. Highly sensitive method for genomewide detection of allelic composition in nonpaired,

[aroma.affymetrix] Re: pooled GWA analysis with aroma.affymetrix and 6.0

2009-07-22 Thread marco
Dear Henrik, thans for the useful answers! RAS = Relative Allele Scorel is normally used as a frequency estimate for pooled DNA experiments. I saw around that SNP6.0 seems not to be used for this scope before, so there are not really validated methods to estimate frequencies from it. 1. The

[aroma.affymetrix] Re: Question about the outcome CEL files

2009-07-22 Thread Stellaw Chao
Hi Henrik, Much thanks!I have tried extractMatrix and it works! Yet another question merges...I used RMAExpress to extract the expression level matrix some time ago (background adjusted, quantile normalized and summarized using PLM) . I thought the outcomes of these two preprocessing softwares