Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down at the end of May, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

st: Σχετ: st: diving values of a column with other values of the same column


From   Tzaloupas Dimitrov <tzaloupas1232@yahoo.gr>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: Σχετ: st: diving values of a column with other values of the same column
Date   Wed, 6 Feb 2013 00:07:34 +0000 (GMT)

thank you very much  scott.  The only problem is that my real panel is unbalanced. So it is not always 3 obs/ 3 obs

Is there a way to modify your code so as to take into account this unbalanced panel data set?

Cheers




----- Αρχικό μήνυμα -----
Απο: Scott Merryman <scott.merryman@gmail.com>
Προς: statalist@hsphsun2.harvard.edu
Κοιν.: 
Στάλθηκε: 11:58 μ.μ. Τρίτη, 5 Φεβρουαρίου 2013
Θέμα: Re: st: diving values of a column with other values of the same column

On Tue, Feb 5, 2013 at 3:34 PM, Tzaloupas Dimitrov
<tzaloupas1232@yahoo.gr> wrote:
> Dear all,
>
> I have the following excel file which I import into Stata
>  Country          overall         specific            dates                              values
> DD                         gg           0             01/11/2001                               5
> DD                         gg           0             01/12/2001                               2
> DD                         gg           0             01/01/2001                               3
>  DD                        gg           zz           01/11/2001                               15
> DD                         gg           zz           01/12/2001                               12
> DD                         gg           zz           01/01/2001                              13
> EE                          gg           0             01/11/2001                               0.5
> EE                          gg           0             01/12/2001                               0.2
> EE                          gg           0             01/01/2001                               0.3
> EE                          gg           zz           01/11/2001                               25
> EE                          gg           zz           01/12/2001                               122
> EE                          gg           zz           01/01/2001                              2 3
>
> For each country  separately(DD and EE) I would like to   divide the values that correspond to specific==zz by the values that correspond to speciffic==0
>
> For example, for DD I want to divide the vector  of values (15 12 13) that corresponds to specific==zz by the vector (5 2 3) that corresponds to specific==0; so as to construct a new vector of values=(15/5 12/2 13/3)


bys country (spec dates) : gen values2 = values/values[_n-3]

Scott
*
*   For searches and help try:
*  http://www.stata.com/help.cgi?searchhttp://www.stata.com/support/faqs/resources/statalist-faq/http://www.ats.ucla.edu/stat/stata/


*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/faqs/resources/statalist-faq/
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index