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Re: st: RE: problem converting a string variable to a numeric variable


From   Gwinyai Masukume <parturitions@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: problem converting a string variable to a numeric variable
Date   Thu, 25 Apr 2013 22:23:48 +0200

Many thanks Nick.
Do you sleep? Just kidding.
Kind regards,
Gwinyai

On 4/25/13, Nick Cox <njcoxstata@gmail.com> wrote:
> For one overview of this territory see
>
> SJ-2-3  pr0006  . . . . . . . . . . . . Speaking Stata: On numbers and
> strings
>         . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N. J.
> Cox
>         Q3/02   SJ 2(3):314--329                                 (no
> commands)
>         explains the use of numeric and string data types in Stata
>         and how to convert from one kind to another
>
> See http://www.stata-journal.com/sjpdf.html?articlenum=pr0006 for
> accessible .pdf.
>
> It's slightly out-of-date (-tostring- became an official command after
> that paper) but the main ideas still apply.
>
> Nick
> njcoxstata@gmail.com
>
>
> On 25 April 2013 19:50, Gwinyai Masukume <parturitions@gmail.com> wrote:
>> Thanks Elan.
>> Kind regards,
>> Gwinyai
>>
>> On 4/25/13, Cohen, Elan <cohened@upmc.edu> wrote:
>>> -encode- is the wrong command for this job.  (Read the help file more
>>> closely to understand why.)
>>>
>>> Try -destring-.
>>>
>>> - Elan
>>>
>>>
>>> -----Original Message-----
>>> From: owner-statalist@hsphsun2.harvard.edu
>>> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Gwinyai
>>> Masukume
>>> Sent: Thursday, April 25, 2013 13:18
>>> To: statalist
>>> Subject: st: problem converting a string variable to a numeric variable
>>>
>>> Dear Stata listers,
>>>
>>> I have a variable weight. The original dataset has weight as a string
>>> variable. Type - str13
>>> Format - %13s.
>>>
>>> encode weight, generate(weightgrams)
>>>
>>> The above code apparently creates a numeric variable weightgrams.
>>> Type - long
>>> Format - %13.0g
>>>
>>> However when dealing with this new variable e.g summ weightgrams, I get
>>> completely abnormal results which bear no resemblance to the expected
>>> results for the variable weight.
>>>
>>> I suspect there is some kind of error in conversion from a string to
>>> numeric variable.
>>>
>>> I am using version 12.1
>>>
>>> Kind regards,
>>> Gwinyai
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