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exprset
2010 Feb 08
1
objects masked from packages
...(x,...) UseMethod("preprocessExpData")
preprocessExpData.expData <- function(data){
require("vsn")
data <- list(ExpressionSet=vsnrma(data$AffyBatch),
baseDir=data$baseDir,experimentName=data$experimentName,
pData=pData(data$AffyBatch))
class(data) <- c("expSet","list")
return(data)
}
when using the workflow we have and coming to the point of preprocesswe get
the following error message:
> ex <- preprocess(ed)
Fehler in preprocess(ed) :
argument is expData threestep requires AffyBatch argument is list
threestep requires AffyBa...