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2010 Dec 14
0
Merge() error
...f the data frames does not
bt <- merge( bt, np, by=("caseid"), all=TRUE) # Changed from np, bt to
bt,np.
The code always worked fine before, until someone 'helpfully' duplicated
some of the variables across the data frames, so in addition to caseid, each
also contains AuthorYr and StudyDesign.
Thanks,
Jeremy
--
Jeremy Miles
Psychology Research Methods Wiki: www.researchmethodsinpsychology.com
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