search for: newprvdr_num

Displaying 1 result from an estimated 1 matches for "newprvdr_num".

2012 Mar 10
1
Subsetting a data.frame -> Read in with FWF format from .DAT file
...50108)) newinpatient <- merge(providernum, oldinpatient) With checking "class" at one point, I gathered that R interprets PRVDR_NUM as a factor, not a number .. so I've understood a potential reason why I would have errors (with code above). So, I then tried something like this: newPRVDR_NUM <- format(as.numeric(levels(oldinpatient$PRVDR_NUM) [oldinpatient$PRVDR_NUM])) numericprvdr <- data.frame(oldinpatient, newPRVDR_NUM) bestprvdr <- numericprvdr[,-2] I thought that with converting PRVDR_NUM to numeric, then one of the three options above would be satisfied. But, that has...