Dear all,
I'm trying to solve my copynumber segmentation problem using aroma
affymetrix, according to the Vignette
I created a folder : rawData ,under my working directory, and inside
that folder I created another folder Mapping50K_Hind240 , inside which I
put my 600ish .cel file
Isn't it correct?
Then I did :
ds <- doCRMAv1("R:/work/breast/breast data files/MYC/rawData",
chipType="Mapping50K_Hind240")
("R:/work/breast/breast data files/MYC/" is my working directory)
Why I got the error message:
Error in list(`doCRMAv1("R:/work/breast/breast data files/MYC/rawData",
chipType = "Mapping50K_Hind240")` = <environment>, :
[2010-11-18 16:41:10] Exception: Could not locate a file for this chip
type: Mapping50K_Hind240
at throw(Exception(...))
at throw.default("Could not locate a file for this chip type: ",
paste(c(chipType, tags), collapse = ","))
at throw("Could not locate a file for this chip type: ",
paste(c(chipType, tags), collapse = ","))
at method(static, ...)
at AffymetrixCdfFile$byChipType(chipType)
at method(static, ...)
at AffymetrixCelSet$byName(dataSet, ..., verbose = less(verbose, 50),
.onUnknownArgs = "ignore")
at doCRMAv1.character("R:/work/breast/breast data files/MYC/rawData",
chipType = "Mapping50K_Hind240")
at doCRMAv1("R:/work/breast/breast data files/MYC/rawData", chipType =
"Mapping50K_Hind240")
could anyone enlighten me please?
Many thanks
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