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Re: st: long to wide conversion
From
Ada Ma <[email protected]>
To
[email protected]
Subject
Re: st: long to wide conversion
Date
Thu, 7 Oct 2010 13:36:26 +0100
Ooops sorry correction:
sort id collect_date order_type, stable
by id collect_date order_type: gen seq=_n
reshape drug_code drug_result, i(id collect_date order_type) j(seq)
David Cox's solution might be more sensible, depending on what you wanted to do.
On Thu, Oct 7, 2010 at 1:33 PM, Ada Ma <[email protected]> wrote:
> This should work:
>
> sort id collect_date order_type, stable
> by id collect_date order_type: gen seq=_n
> reshape drug_code drug_result, i(id collect_date order_type) j(seq)
>
>
> On Thu, Oct 7, 2010 at 11:53 AM, King, Carina <[email protected]> wrote:
>> Hi,
>>
>> I have a data set in long form and i want to convert it to wide. I have tried the 'reshape' command (using various combinations of variables) but it won't work. The problem is, there aren't any unique j values for the i's.
>>
>> The variables I want to be sorted on are the id, collect_date and order_type. The for it to read across for drug_code and drug_result (They are all string variables). Below as an example of how my data is set up.
>>
>> Id collect_date order_type drug_code drug_result
>>
>> 34 03aug2010 CFS Amp SS
>> 34 03aug2010 CFS Oxy 0.1-SS
>> 34 10aug2010 CFS Methc R
>> 57 05mar2008 Urine Amox R
>> 57 05mar2008 Urine Amik 0.001-SS-HIDE
>> 87 07sep2009 Blood Oxy HIDE
>> 62 12oct2007 Urine Vanc 0.063-SS
>> 62 12oct2007 Urine Methc 0.063-SS
>> 62 12oct2007 Urine Vanc R-HIDE
>> 62 12oct2007 Blood Amp SS
>>
>> Any suggestions? Thanks!
>>
>> Carina
>>
>>
>>
>> *
>> * For searches and help try:
>> * http://www.stata.com/help.cgi?search
>> * http://www.stata.com/support/statalist/faq
>> * http://www.ats.ucla.edu/stat/stata/
>>
>
>
>
> --
> Ada Ma
> Research Fellow
> Health Economics Research Unit
> University of Aberdeen, UK.
> http://www.abdn.ac.uk/heru/
> Tel: +44 (0) 1224 555189
> Fax: +44 (0) 1224 550926
>
--
Ada Ma
Research Fellow
Health Economics Research Unit
University of Aberdeen, UK.
http://www.abdn.ac.uk/heru/
Tel: +44 (0) 1224 555189
Fax: +44 (0) 1224 550926
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/