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RE: st: Days between dates using -forvalues-
Just to add a detail:
You can do arithmetic on the fly in almost
the way that Hugh was trying.
gen days`i'`=`i'+1' = date`=`i'+1' - date`i'
would work. However, Jeph's code has the
considerable benefit of greater clarity.
Nick
[email protected]
Hugh Colaco
> Thanks Jeph - it worked great !!!
Jeph Herrin
> > Try
> >
> > forvalues i = 1/2 {;
> > local j=`i'+1
> > gen days`i'`j' = date`j'-date`i';
> > };
Hugh Colaco
> > > I'm trying to get the no of days between dates for
> several dates. I
> > > want to create variables days12 and days23 (see example below). I
> > > tried to run the foll program
> > >
> > > forvalues i = 1/2 {;
> > > gen days`i'`i+1' = date`i+1'-date`i';
> > > };
> > >
> > > but I get days11 and days22 as the new variables and the
> values are 0.
> > >
> > > date1 date2 date3 days12 days23
> > > 12/13/1995 5/17/1996 6/14/1996 156 28
> > > 6/22/1999 7/16/1999 24
> > > 7/3/1996 9/25/1996 10/11/1996 84 16
> > > 3/29/1995 6/23/1995 7/12/1995 86 19
> > > 11/9/1994 5/5/1995 8/17/1995 177 104
> > > 9/22/1998 11/10/1998 11/24/1998 49 14
> > > 9/19/1996 3/25/1997 5/27/1997 187 63
> > > 9/8/1994 10/18/1994 40
> > > 5/13/1993 7/13/1993 8/6/1993 61 24
> > > 6/30/1998 7/23/1998 7/29/1998 23 6
> > > 12/17/1999 1/18/2000 2/7/2000 32 20
> > >
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