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st: RE: Excluding Observations
I believe this is what you need:
gen cumetime = 0 if t==1
bysort id (dov): replace cumetime = etime + cumetime[_n-1] if t==0
drop if cumetime<90 & cumetime>0
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Raphael
Fraser
Sent: Monday, May 15, 2006 5:34 PM
To: [email protected]
Subject: st: Excluding Observations
I would like to exclude from my data set all observations up to 90
days AFTER a transfusion (i.e. t = 1). The variable etime is the time
elapse since last visit. Can any one help?
id dov t etime
57 26apr1977 0 57
57 27apr1977 0 1
57 28jun1977 0 62
57 27jul1977 0 29
57 19aug1977 1 23
57 12sep1977 0 24
57 27sep1977 0 15
57 30nov1977 0 64
57 28feb1978 0 90
57 22jan1990 0 55
57 23jan1990 0 1
57 22jun1990 0 150
57 01aug1990 0 40
57 06aug1990 0 5
57 12sep1990 1 37
57 19sep1990 0 7
57 21sep1990 0 2
57 28sep1990 0 7
57 14nov1990 0 47
57 28nov1990 0 14
57 21jan1991 0 54
57 29apr1991 0 98
57 23aug1991 0 116
57 29aug1991 0 6
57 20sep1991 0 22
57 30sep1991 0 10
57 28nov1991 0 59
57 20jan1992 0 53
57 21jan2002 0 35
57 27may2002 0 126
57 31may2002 0 4
57 07jun2002 0 7
57 09jul2002 0 32
57 09oct2002 0 92
63 28dec1974 0 0
63 29dec1974 0 1
63 08jan1975 0 10
63 15may1975 0 127
63 30jun1975 0 46
63 29dec1975 0 182
63 12jan1976 0 14
63 19jan1976 0 7
63 30mar1976 0 71
63 28jun1976 0 90
63 22oct1976 0 116
63 25oct1976 0 3
63 24nov1976 1 30
63 04dec1976 0 10
63 06dec1976 0 2
63 21dec1976 0 15
63 21jan1977 0 31
63 26jan1977 0 5
63 18feb1977 0 23
63 28mar1977 0 38
63 31may1977 0 64
63 13jun1977 0 13
63 28jun1977 0 15
63 31aug1977 0 64
63 03sep1977 0 3
63 06sep1977 0 3
63 27sep1977 0 21
63 07oct1977 0 10
63 05nov1977 0 29
63 08nov1977 0 3
63 27nov1977 0 19
63 07dec1977 0 10
63 16dec1977 0 9
63 18dec1977 0 2
63 19dec1977 0 1
63 10jan1978 0 22
63 11jan1978 0 1
63 12jan1978 0 1
63 14feb1978 1 33
63 22feb1978 0 8
63 28feb1978 0 6
63 17mar1978 0 17
63 04apr1978 0 18
63 07jun1978 0 64
63 26jun1978 0 19
63 14jul1978 0 18
63 21jul1978 0 7
63 09aug1978 0 19
63 14aug1978 0 5
63 11sep1978 0 28
63 24sep1979 0 17
63 27sep1979 0 3
63 29sep1979 1 2
63 14dec1979 0 76
63 07jan1980 0 24
63 21sep1982 0 46
63 04oct1982 0 13
63 17dec1982 0 74
63 22dec1982 0 5
63 25dec1982 0 3
63 01jan1983 0 7
63 04jan1983 0 3
63 24jan1983 0 20
63 15mar1983 0 50
63 28jun1983 0 105
63 28sep1983 0 92
63 04oct1983 0 6
63 09jan1984 0 97
63 30jan1984 0 21
63 28mar1984 0 58
63 28jun1984 0 92
63 01oct1984 0 95
63 16oct1984 0 15
63 20dec1984 0 65
63 24dec1984 0 4
63 03jan1985 0 10
63 08jan1985 0 5
63 27mar1985 0 78
63 30apr1985 0 34
63 01may1985 1 1
63 13may1985 0 12
63 14may1985 0 1
63 11jun1985 0 28
63 02jul1985 0 21
63 19aug1985 0 48
63 23sep1985 0 35
63 01oct1985 0 8
63 18oct1985 0 17
63 24oct1985 0 6
63 03dec1985 0 40
Raphael
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