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st: Excluding Observations


From   "Raphael Fraser" <raphael.fraser@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Excluding Observations
Date   Mon, 15 May 2006 16:33:41 -0500

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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