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bd12
2012 Mar 29
2
subtract a list of vectors from a list of data.frames in an elegant way
Dear R experts,
I've realized that it might not be possible to define a negative SELCET statement in a SQL call so now I'm looking for the smoothest way to generate a list of what I would like from my large database by first pulling all the names with a query like this "SELECT top 1 * FROM your_table" (thank you Bart Joosen for the idea) and then subtract the variables I am not