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Re: -reshape- question [was: Re: st: Thread-Index: <random garbage>]


From   Nick Cox <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: -reshape- question [was: Re: st: Thread-Index: <random garbage>]
Date   Fri, 23 Aug 2013 15:39:30 +0100

Here the best way to learn it is probably to try what you want -- and
come back to us if you don't understand the results.

I know that could be an answer to almost any question, but I give it
nevertheless.
Nick
[email protected]


On 23 August 2013 15:25, Nickolas Lyell <[email protected]> wrote:
> Ok.  So when I am attempting to reshape long in time (after the very wide transformation), I will Most likely want to rename my variables to reshape long in time, correct?  (from dec1990211) with "1990" being the year part and "211" being the NAICS code.
>
> As long as I rename them "NAICS2111990", Stata will understand which part identifies the year? Or will I have to indicate that in the reshape command?
>
>
> Nicholas Lyell
> Research Associate
> National Association of Counties | NACo
> [email protected] | 202.661.8820
>
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On Behalf Of Nick Cox
> Sent: Friday, August 23, 2013 10:11 AM
> To: [email protected]
> Subject: -reshape- question [was: Re: st: Thread-Index: <random garbage>]
>
> Numeric digits 0...9 are fine in variable names so long as they are not offered as first character. Just specify a stub you like in -j()-.
>
> Nick
> [email protected]
>
>
> On 23 August 2013 14:54, Nickolas Lyell <[email protected]> wrote:
>> I seem to remember a warning against using numbers for variable names in the reshape command, but I wanted to make sure.
>>
>> I have a list of county GDP by industry with Industry by county long and GDP by year wide.  I would like to invert this so that I have years by county long and GDP by industry wide.  I know that I cannot use variable names that are more than one word long when transforming to wide, so I would like to turn the “description” variable into it’s industry NAICS code.  IE: “GDP: Educational Services” → 611 .
>>
>> My data is formatted like this:
>>
>> County description         1990       1991       1992       …
>> 1              611                         512.2     436.7     347.9     …
>> 1              612                         63.4        67.8        83.4        …
>>
>>
>> Can I use the 3-digit NAICS codes to reshape my data into wide with numbers as NAICS (year-NIACS) so that I can then reshape it long (so it can be a time series)?
>>
>>
>> Nicholas Lyell
>> Research Associate
>> National Association of Counties | NACo [email protected] | 202.661.8820
>>
>>
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