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notwant
2004 Jul 05
4
extract columns from a dataframe
Dear R users,
I'm coming back to R after while. I have a data frame with 200 columns,
each column has a name. How to extract all columns to a new dataset, but
the specified (by names) ones?
I was playing with that for a little bit using the vector syntax but got
several syntax errors.
Thanks,
Rado