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Re: st: Re: referring to groups of variables by suffixes


From   Michael Stewart <michaelstewartresearch@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: referring to groups of variables by suffixes
Date   Wed, 28 Nov 2012 08:13:05 -0500

Thanks a lot nick.
Mike

On Wed, Nov 28, 2012 at 8:01 AM, Nick Cox <njcoxstata@gmail.com> wrote:
> Yes. See -help varlist- for so-called wildcards. They work with suffixes too,
>
> . sysuse auto
> (1978 Automobile Data)
>
> . ds
> make          rep78         weight        displacement
> price         headroom      length        gear_ratio
> mpg           trunk         turn          foreign
>
> . ds *t
> weight        displacement
>
>
> Nick
>
> On Wed, Nov 28, 2012 at 12:48 PM, Michael Stewart
> <michaelstewartresearch@gmail.com> wrote:
>
>> I am working with a large dataset (approx 600 variables) with
>> different names but some of them end in similar manner
>>
>> Eg:
>> procedure__11_procedure_code___i
>> procedure__11_procedure_date
>> procedure__11_procedure_or_ind
>> procedure__11_procedure_tissue_t
>> procedure__11_procedure_type
>> procedure__12_procedure_abnormal
>> procedure__12_procedure_code_icd
>> procedure__12_procedure_date
>> procedure__12_procedure_ep_no
>> procedure__12_procedure_location
>> procedure__12_procedure_or_ind
>> procedure__12_procedure_physicia
>> procedure__12_procedure_tissue_t
>> procedure__12_procedure_type
>> procedure__12_procedure_type0
>> procedure__13_procedure_abnormal
>> procedure__13_procedure_anes_age
>> procedure__13_procedure_anes_met
>> procedure__13_procedure_code_icd
>> procedure__13_procedure_date
>>
>> I want to drop variables ending with procedure_tissue_t and
>> procedure_anes_age. Its tedious to do it for large number of
>> variables.Can you please suggest a shortcut . Is there  a shortcut to
>> refer to all variables ending with procedure_tissue_t &
>> procedure_anes_age.I found shortcuts to refer to variables for
>> prefixes  but not for suffixes so far.
> *
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> *   http://www.ats.ucla.edu/stat/stata/



-- 
Thank you ,
Yours Sincerely,
Mike.
*
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