Displaying 1 result from an estimated 1 matches for "474g23".
2007 Dec 23
3
How to remove some rows from a data.frame
...-1 0
RP11-6B16 1 82255496 -1 0
RP11-210E16 1 228801510 0 -1
RP11-155C15 1 230957584 0 -1
RP11-210F8 1 237932418 0 -1
RP11-263L17 2 65724492 0 1
RP11-340F16 2 65879898 0 1
RP11-68A1 2 67718674 0 0
RP11-474G23 2 68318411 0 0
RP11-218N6 2 68454651 0 0
CTD-2003M22 2 68567494 0 0
.....
how to remove those rows which have 0 for both of columns s1,s2?
sth like M[!M$21=0&!M$s2=0]?
Moreover, I want to get a list which could find a subset of rows which have
the same pa...