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st: Creating number of days per month


From   Rajaram Subramanian Potty <rajara999@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: Creating number of days per month
Date   Mon, 2 Nov 2009 11:03:52 +0530

On Mon, Nov 2, 2009 at 10:33 AM, Rajaram Subramanian Potty
<rajara999@gmail.com> wrote:
> Dear all,
>
> I have the following data indciating the date of visit and date of
> discharge of patients. Now, I want to consturct variables to indicate
> how may days the patient was there in the hospital or centre in a
> month in a particular year. Some patients might have stayed in the
> hospital ever for 2 years. The following is the 101 observations from
> the data set. Var1 is the date of admission and var2 is the date of
> discharge.
>
>
>                var1               var2
> 24400.   30nov2007   14feb2008
> 24401.   21jan2009   07apr2009
> 24402.   24apr2008   09jul2008
> 24403.   22feb2008   08may2008
> 24404.   01oct2008   16dec2008
> 24405.   13jul2009   28sep2009
> 24406.   04oct2008   20dec2008
> 24407.   07jul2009   22sep2009
> 24408.   03jun2008   19aug2008
> 24409.   11feb2009   30apr2009
> 24410.   31mar2007   17jun2007
> 24411.   01may2007   19jul2007
> 24412.   04apr2007   22jun2007
> 24413.   03jul2008   20sep2008
> 24414.   10jul2007   27sep2007
> 24415.   10jul2009   28sep2009
> 24416.   08aug2007   27oct2007
> 24417.   15jun2009   03sep2009
> 24418.   12oct2007   31dec2007
> 24419.   20dec2008   11mar2009
> 24420.   04aug2009   24oct2009
> 24421.   01nov2008   21jan2009
> 24422.   04dec2008   23feb2009
> 24423.   31jul2009   21oct2009
> 24424.   03feb2009   26apr2009
> 24425.   24jul2007   14oct2007
> 24426.   16apr2009   07jul2009
> 24427.   23nov2007   14feb2008
> 24428.   15apr2008   07jul2008
> 24429.   01oct2008   23dec2008
> 24430.   30sep2008   23dec2008
> 24431.   07jul2007   29sep2007
> 24432.   14oct2008   07jan2009
> 24433.   15apr2009   09jul2009
> 24434.   02nov2007   27jan2008
> 24435.   30apr2009   26jul2009
> 24436.   15apr2008   11jul2008
> 24437.   27mar2009   23jun2009
> 24438.   01apr2007   29jun2007
> 24439.   07jan2008   05apr2008
> 24440.   09apr2009   07jul2009
> 24441.   21feb2009   23may2009
> 24442.   03dec2008   04mar2009
> 24443.   02jun2009   02sep2009
> 24444.   01apr2009   03jul2009
> 24445.   01apr2009   03jul2009
> 24446.   17apr2008   20jul2008
> 24447.   05may2007   08aug2007
> 24448.   19dec2007   27mar2008
> 24449.   26jun2007   04oct2007
> 24450.   29nov2008   09mar2009
> 24451.   28jan2009   08may2009
> 24452.   01oct2007   11jan2008
> 24453.   01jul2009   13oct2009
> 24454.   25dec2007   08apr2008
> 24455.   30apr2007   14aug2007
> 24456.   19jun2007   03oct2007
> 24457.   01apr2007   16jul2007
> 24458.   19mar2008   07jul2008
> 24459.   07sep2007   26dec2007
> 24460.   09jan2008   30apr2008
> 24461.   10nov2008   02mar2009
> 24462.   09jan2008   30apr2008
> 24463.   12may2008   03sep2008
> 24464.   06jun2009   30sep2009
> 24465.   06jan2009   02may2009
> 24466.   02apr2008   28jul2008
> 24467.   19may2008   15sep2008
> 24468.   21aug2008   19dec2008
> 24469.   21nov2007   24mar2008
> 24470.   04apr2009   08aug2009
> 24471.   19jun2007   24oct2007
> 24472.   15may2009   26sep2009
> 24473.   13nov2008   29mar2009
> 24474.   20aug2007   13jan2008
> 24475.   14oct2008   10mar2009
> 24476.   29nov2008   25apr2009
> 24477.   18sep2007   14feb2008
> 24478.   30apr2009   26sep2009
> 24479.   10apr2007   08sep2007
> 24480.   05apr2008   03sep2008
> 24481.   05mar2008   08aug2008
> 24482.   21apr2009   29sep2009
> 24483.   26feb2009   08aug2009
> 24484.   03feb2009   19jul2009
> 24485.   28apr2007   18oct2007
> 24486.   04apr2007   28sep2007
> 24487.   29apr2007   25oct2007
> 24488.   09jan2008   09jul2008
> 24489.   07oct2007   08apr2008
> 24490.   20feb2009   07sep2009
> 24491.   12may2008   07dec2008
> 24492.   04may2007   18dec2007
> 24493.   05may2007   06jan2008
> 24494.   26jun2007   16mar2008
> 24495.   22may2007   16feb2008
> 24496.   10apr2007   11jan2008
> 24497.   24feb2007   19dec2007
> 24498.   02may2007   04mar2008
> 24499.   28apr2007   10mar2008
> 24500.   17apr2007   08mar2008
>
> Thanks and regards,
>
> RAJARAM. S
>

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