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Re: st: RE: reshape problem


From   Antoine Terracol <terracol@univ-paris1.fr>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: reshape problem
Date   Tue, 09 Dec 2008 21:17:06 +0100

I had no problems -reshape-ing your data:


. reshape long x, i(regio) j(year)
(note: j = 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 > 1985 1986 1987 1989 1990 1991 1992 1993 1994 1995 1996 1997 1999 2000 2001 2002 2003 2004 2005 2006)

Data                               wide   ->   long
-----------------------------------------------------------------------------
Number of obs.                       21   ->     882
Number of variables                  43   ->       3
j variable (42 values)                    ->   year
xij variables:
                  x1963 x1964 ... x2006   ->   x
-----------------------------------------------------------------------------

. su

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
       regio |       882          11    6.058736          1         21
       annee |       882    1984.095    12.81874       1963       2006
           x |       882    31.23255    9.333917      9.844     50.513


You could try to re-install Stata (?)

Antoine


Emanuele Millemaci wrote:
As the file *.dta containing the dataset is small(few KB), I try to
send it attached to this message. Alternatively, such a file can be
downloaded  at this link:

http://www.2shared.com/file/4425484/c1951cbd/produc.html
(perhaps, need to wait few seconds before displaying the working link
at the bottom of the page)

The command I use is
reshape long x, i(regio) j(year)

Thanks
Emanuele

2008/12/9 Nick Cox <n.j.cox@durham.ac.uk>:
Despite various attempts your problem looks just as puzzling as when
first posted.

If there is some way for you to post your data file in an accessible
place, interested people will be able to look themselves.

Alternatively, I suggest you get in touch with StataCorp tech-support. I
guess they will want a copy of the file too.

Nick
n.j.cox@durham.ac.uk

Emanuele Millemaci

I had a dataset on excel with regions on the rows and years on the
columns.
I moved this data to Stata 10.1 MP(updated to the latest packages)
and
was trying to reshaping from wide to long as I would like to have
all
years' data of the same variable on the same column.

Below, I report an example of what I have:

regio prod1995 prod1996 .....prod2006

1         ....             ...            ...
2          ...             ...            ...
3         ...              ...            ...
4         ...             ...            ...

I would like to get:

regio years    prod
1      1995    ...
1      1996    ...
..
2      1995    ...
..
3      1995    ...
..
4      1995    ...
..

The command I use is:

reshape long prod, i(regio) j(year)

It would appear a very easy task. Instead, the result I get is
always
different (every time I launch the command) and never correct.
Stata drops many observations and many others become missing for
some
variable (whereas my dataset has no missing value). I have also
checked that Stata considers data as numeric.
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