Displaying 1 result from an estimated 1 matches for "nnrti".
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nrti
2011 Apr 20
3
[test message] Can R replicate this data manipulation in SAS?
...book_class $ start_date :mmddyy. stop_date :mmddyy.;
format start_date stop_date mmddyy8.;
cards;
1004 NRTI 07/24/95 01/05/99
1004 NRTI 11/20/95 12/10/95
1004 NRTI 01/10/96 01/05/99
1004 PI 05/09/96 11/16/97
1004 NRTI 06/01/96 02/01/97
1004 NRTI 07/01/96 03/01/97
9999 PI 01/02/03 .
9999 NNRTI 04/05/06 07/08/09
;
run;
proc print data=haart;
run;
book_ start_ stop_
Obs id class date date
1 1004 NRTI 07/24/95 01/05/99
2 1004 NRTI 11/20/95 12/10/95
3 1004 NRTI 01/10/96 01/05/99
4 1004 PI...