[R] Difference between normalizeWithinArrays and stat.ma

From: Saroj Mohapatra <saroj_at_wayne.edu>
Date: Wed 14 Jul 2004 - 03:51:50 EST


Dear friends

I have recently migrated to R (8.0) for analysis of microarray data. I am doing a loess (print-tip, perhaps scaled) normalization. I find that there are 2 options to do this: using normalizeWithinArrays (Limma) and stat.ma(sma). I find the objects returned by the two functions are different, however the M and A values seem to be the same. Is one function preferable over the other? Any feedback regarding this would be appreciated.

Thanks and regards,

Saroj



Saroj K Mohapatra, MD
Research Associate
Karmanos Cancer Institute
Wayne State University School of Medicine 110 E. Warren, Room 311
Detroit MI 48201
313-833-0715 x2424
saroj@wayne.edu

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