search for: rsxxxxxxz

Displaying 1 result from an estimated 1 matches for "rsxxxxxxz".

Did you mean: rsxxxxxxx
2008 Mar 15
0
Appending new values to an existing factor vector
...t have around 80,000,000 lines, 4 fields, with a high proportion of repeated strings, here's a sample: rsXXXXXXX SAMPLE0001 CG 0.05302 rsXXXXXX SAMPLE0001 CC 0.06817 rsXXXXXXXX SAMPLE0001 CC 0.01369 rsXXXXXXY SAMPLE0001 GG 0.01816 rsXXXXXXZ SAMPLE0001 GG 0.006711 rsXXXXXXX SAMPLE0002 GG 0.05813 [For the purpose of the work I'm doing at the moment, I don't care about the last column] What's the best way to read in these data? My understanding of what happens when I do read.table on such a...