search for: 23oct2000

Displaying 1 result from an estimated 1 matches for "23oct2000".

2013 Apr 06
2
Replace missing value within group with non-missing value
.... . . . 5 | 28. | 4 5 0 PROTIUM 4 . . . . 5 | 29. | 4 5 0 ZANTAC 5 . . . . 5 | 30. | 4 5 1 ZOTON 6 23oct2000 03:00:00 23oct2000 NS 489 2000 5 | I wish to fill in the missing values in each choice set - delineated by dn (Doctor) obs (Observation number) and choices (1 to 6). For each choice set one choice is chosen which contains full time information for that choice set ie in set 1 choi...