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Re: st: A problem with reshape
From
Conor Hughes <[email protected]>
To
[email protected]
Subject
Re: st: A problem with reshape
Date
Sun, 14 Jul 2013 18:09:29 -0400
Stata is looking for a variable called "group". There is no such
variable in the example data you provided. If you did create a group
variable, please post the code you used to create it as well.
Best,
Conor
On Sun, Jul 14, 2013 at 6:00 PM, ofran almossawi
<[email protected]> wrote:
> Hello
> I am having some problems with reshape. my data set is rather large
> and i cannot make the changes by hand.
> I have data that have no unique identifier, see example of my data below:
>
> id disease type
>
> 1 A comorbidity
> 1 B primary
> 1 C comorbidity
> 2 D primary
> 2 E secondary
> 2 F comorbidity
> 3 G primary
> 3 H comorbidity
> 3 I comorbidity
> 3 J comorbidity
>
> the problem that i am having is creating comorbidity 1, 2, 3 etc and
> reshaping the data into wide format.
>
> I have followed the example at
> http://www.stata.com/support/faqs/data-management/problems-with-reshape/
>
> but when I get to the line "by group, sort: replace no = _n" I get a
> "0 replacements made" message.
>
> I am not sure where I am going wrong with this or if there is a better
> way of doing it.
>
> many thanks in advance.
> *
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> * http://www.ats.ucla.edu/stat/stata/
*
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