I am importing chip definition and annotation files to create a ROOT scheme and get this error:

Error in import.expr.scheme(filename = "Scheme_HGU133p2_na26", filedir = scmdir,  :
  error in function 'ImportExprSchemes'

> libdir <- "/mypath/Affy/libraryfiles"
> anndir <- "/mypath/Affy/Annotation"
> scmdir <- "/mypath/CRAN/Workspaces/Schemes"
>
> scheme.hgu133p2.na26 <- import.expr.scheme(filename="Scheme_HGU133p2_na26",
+ filedir=scmdir,schemefile=paste(libdir,"HG-U133_Plus_2.cdf",sep="/"),
+ probefile=paste(libdir,"HG-U133_Plus_2.probe.tab",sep="/"),
+  annotfile=paste(anndir,"HG-U133_Plus_2.na26.annot.csv",sep="/"))

Error in import.expr.scheme(filename = "Scheme_HGU133p2_na26", filedir = scmdir,  :
  error in function 'ImportExprSchemes'


> sessionInfo()
R version 2.7.2 (2008-08-25)
i386-pc-mingw32

locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United States.1252;LC_MONETARY=English_United States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] xps_1.0.2
>

Thanks for any help!

Caimiao



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