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venema
2010 Feb 08
1
objects masked from packages
...ocess command in the affyPLM package needs an affybatch object to
work with.
our preprocess is as such definiert:
preprocess <- function(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 &...