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2006 Jul 25
0
Normalization problem
...e to express the gratitude toward Oosting, J. and James MacDonal for their help solving the previous problem I posted on this forum. Now I have a new problem. I was trying to normalize set of microarray data on HGU133 paltform. I put all the HGU133A platform chips in one directory and all the other HGU133B chips on another directory. When I tried to normalized them using same script HGU133A data worked fine but got error for HGU133B platform data. The code is library(affy) Data <- ReadAffy() eset <- mas5(Data) Calls <-mas5calls(Data) The errors I got are: background correction: mas PM/M...