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2010 Feb 10
2
Subscripting
...Dataframe2 contains a large dataset, one element of which is Date. How do I create a subset of Dataframe2 that excludes the dates from Dataframe1? I know how to do it with a left outer join vs null in SQL, but I can't figure out how to do it more directly via the subcripts that already exist? Dateframe1 Date 1/1/2010 1/18/2010 Dataframe2 Date Attribute Count 1/1/2010 Red 5 1/15/2010 Green 2 1/18/2010 Purple 8 1/19/2010 Yellow 3 ResultingDataframe (Dataframe2 minus the rows that have Dates in Dataframe1) Date Attribute Count 1/15/2010 Green 2 1/19/2010 Yellow 3 -- View this message in conte...