hi,
I just installed aroma.affymetrix in my mac computer (Mac OS X 10.6.7). The
R version is 2.13.1.
I want to read this cdf file "Mapping250K_Nsp.cdf":
cdf <- AffymetrixCdfFile$byChipType("Mapping250K_Nsp")
Error in list(`AffymetrixCdfFile$byChipType("Mapping250K_Nsp")` =
<environment>, :
[2011-08-04 16:01:17] Exception: Could not locate a file for this chip type:
Mapping250K_Nsp
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("Mapping250K_Nsp")
The cdf file is in the current directory. Can anybody tell me how to fix it!
Thanks,
Yaping
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