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st: RE: calculating number of bimesters


From   "Martin Weiss" <[email protected]>
To   <[email protected]>
Subject   st: RE: calculating number of bimesters
Date   Tue, 16 Dec 2008 17:46:22 +0100

Line for the server...

-h date- gives examples how to subtract time values from each other. One of
them reads

"gen qtrs_to_15jan = curqtr - qofd(td(15jan2005))"

which looks like a good template for you.

HTH
Martin


-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Rodrigo Briceño
Sent: Tuesday, December 16, 2008 5:37 PM
To: [email protected]
Subject: st: calculating number of bimesters

Dear Stata listers. I need to calculate the amount of bimesters a
household stay in a program. For that purpose I have three different
variables:
1. Phase of incorporation (phase): it has 6 numeric values where
1=july-august 2002, 2=sep-oct 2002, 3=mar-apr 2004, 4=jul-aug 2004,
5=sep-oct 2004, and 6=nov-dic 2004
2. Two variables that contain the information about the time the
household dropped the program:
2. 1 Year: from 2002 to 2008
2. 2 bimester: from 1 to 6

In what way can I calculate the amount of bimesters (or months) that a
household stayed in the program? Example above (time is the variable
which values I need):

HH  phase  year    bimester  time
1      3         2007       2         19 (or 38 months)
2      1         2004       1          10 (or 20 months)

Thanks for your help



--
Rodrigo Briceño
Economist
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