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setdiff
2009 Apr 04
1
comparing columns in a dataframe
hello,
I am hoping for some advice regarding comparing variables from 3
versions of a spreadsheet which have been combined into a single
dataframe. The aim is to identify which rows have been changed.
The dataframe contains 177 rows of data (each cell contains text).
'intersect' produced a file with 35 rows, 'union' a file with 303
rows and 'setdiff' a file with 130