Hi,
I'm experiencing a strange issue while attempting to import some XPORT
formatted datasets created using SAS 9.3. I 'm using R 2.2.1 with a recently
downloaded version of the "foreign" package, although I don't have the version
for that handy.
I have been able to load some of the XPORT datasets, however when I increase to
the entire dataset, I get the following error:
"Error in lookup.xport(file) : file not in SAS transfer format"
I am trying to import a dataset of roughly 1000 observations with about 600
variables. If I restrict the dataset somewhat and allow only 300 variables,
the import appears to succeed without error. I have not seen a note in the
documentation anywhere about the maximum number of variables for a dataset in R
or for importing with read.xport, but I suspect this is the issue. For
completeness, here is the start of the .xport file (it's all on one line):
HEADER RECORD*******LIBRARY HEADER RECORD!!!!!!!000000000000000000000000000000
SAS SAS SASLIB 9.1 SunOS
If anyone has any insights into this, I would greatly appreciate it. Thanks!
Mike Greene
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