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Re: st: RE: reshape problem


From   "Emanuele Millemaci" <e.millemaci@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: reshape problem
Date   Tue, 9 Dec 2008 18:54:59 +0100

Anders,

isid regio works correctly. No error message displayed.

Emanuele

2008/12/9 Anders Alexandersson <andersalex@gmail.com>:
> Emanuele, does -isid regio- return an error? The -isid- command will
> verify if you have wide data.
>
> Anders Alexandersson
> andersalex@gmail.com
>
> Emanuele Millemaci <e.millemaci@gmail.com> wrote:
>> Ada,
>>
>> I  tried two different ways to read in the data obtaining the same
>> disappointing results: 1)I used the command "insheet"  2)  I copied
>> from excel and pasted into the data editor. Data look rectangular and
>> I cannot see missing values before typing the reshape command.
>>
>>
>> 2008/12/9 Ada Ma <heu034@googlemail.com>:
>>> Emanuele,
>>>
>>> Have you read in the data correctly?  If the data isn't read in
>>> correctly then it may not form a proper rectangle, which explains why
>>> it doesn't -reshape- properly.
>>>
>>> Ada
>>>
>>>
>>> On Tue, Dec 9, 2008 at 1:41 PM, Martin Weiss <martin.weiss1@gmx.de> wrote:
>>>> Sounds like a http://www.stata.com/statalist/archive/2005-11/msg01084.html
>>>> problem... Where should the randomness come from in a command like
>>>> -reshape-?
>>>>
>>>> HTH
>>>> Martin
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: owner-statalist@hsphsun2.harvard.edu
>>>> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Emanuele
>>>> Millemaci
>>>> Sent: Tuesday, December 09, 2008 1:27 PM
>>>> To: statalist@hsphsun2.harvard.edu
>>>> Subject: st: reshape problem
>>>>
>>>> Hi,
>>>>
>>>> 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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