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newindata
2012 Mar 10
1
Subsetting a data.frame -> Read in with FWF format from .DAT file
...pecified column widths.
Original data is .DAT. I then utilized "names" function to read in column
headings.
For one column, PRVDR_NUM, I wish to further amend the entire data set, but
only have PRVDR_NUM == 050108. This is where I'm having trouble.
I've tried code like this:
newinpatient <- subset(oldinpatient, oldinpatient$PRVDR_NUM == 050108)
#OR
newinpatient <- oldinpatient[oldinpatient$PRVDR_NUM == 050108, ]
#OR
providernum <- data.frame(newdim(PRVDR_NUM = c(050108))
newinpatient <- merge(providernum, oldinpatient)
With checking "class" at one point, I...