Re: st: A problem with reshape

[Conor Hughes <conorbhughes@gmail.com>]

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
<ofran.almossawi@gmail.com> 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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