Hello! I have a matrix:
> dim(data1)
[1] 34176 581
of 34176 rows and 581 columns,
I want to make a new matrix data2 by taking the 2nd column, 9th column, 16th
column....
the column number is in the order of:
2
9 (2+7)
16 (9+7)
23 (16+7)
...
the new matrix data2 should include 83 columns, is there an easy way to
do that using cbind() function?
Thanks a lot!
Allen
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