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Re: st: Fwd: how to use the label of oldvar to name newvar


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Fwd: how to use the label of oldvar to name newvar
Date   Sun, 14 Apr 2013 21:52:03 +0100

Why do (you think) you need 40 new variables?
Nick
njcoxstata@gmail.com


On 14 April 2013 20:07, anne broe <annebroe@gmail.com> wrote:
> I have tried to egen, group option with the label, and that ends up
> with the same problem as when I just use the encode option.
>
> My data looks like this
>
> atc
> "aaabbc01"
> "aaabcc02"
> "aaabbc04"
> "bbbcdd01"
> etc (40 different total)
>
> When I use encode atc, gen(n_atc) it becomes
> n_atc
> 1        with value label "aaabbc01"
> 2        with value label "aaabcc02"
> 3        with value label "aaabbc04"
> etc
>
> Then I have used gen atc_`xx' = 1 if n_atc==`xx'                //xx
> being the values of n_atc (1-40)
> But instead of atc_xx I would like my 40 new variables to be named
> after the original string values e.g. the first var will then be named
> "aaabbc01"
>
> hope you can help me :)
>
> 2013/4/14 Nick Cox <njcoxstata@gmail.com>:
>> Alternatively, you may just be missing out on -egen, group()- with the
>> -label()- option.
>> Nick
>> njcoxstata@gmail.com
>>
>>
>> On 14 April 2013 14:34, Nick Cox <njcoxstata@gmail.com> wrote:
>>> When you say "the label" are you referring to value labels or variable labels?
>>>
>>> Can you give an equivalent example with a dataset we can all access e.g.
>>>
>>> sysuse auto
>>> Nick
>>> njcoxstata@gmail.com
>>>
>>>
>>> On 14 April 2013 14:29, anne broe <annebroe@gmail.com> wrote:
>>>> Dear all
>>>>
>>>> I am encoding a string var atc to a numeric var n_atc to enable the
>>>> use of forvalues.
>>>> In each loop i generate a newvar called atc_`xx' if atc== `xx' and
>>>> collapse (sum) of this variable.
>>>> My problem however that instead of atc_`xx' I would like the variable
>>>> to be named after the original string var atc which equals the label
>>>> of n_atc.
>>>>
>>>> Is there anyway you can use the `xx' to identify to variable and then
>>>> name it after the label?
>>>>
>>>> Hope someone can help me
>>>> Thanks
>>>> Anne
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