Displaying 1 result from an estimated 1 matches for "m1_1".
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m11
2012 Jan 11
3
summarizing a complex dataframe
I need some help summarizing complex data frames (small example below):
m1_1 m2_1 m3_1 m1_2 m2_2 m3_2
i1 1 1 1 2 2 2
i1 2 1 1 2 2 2
i2 2 2 1 2 2 2
For an arbitrary number of columns (say m1 ?. m199) where the column names have variable patterns,
and such that each set of columns is repeated (with potentia...