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Re: st: rowranks/ ranking only a selection of variables (subgroup of ordered variables)


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: rowranks/ ranking only a selection of variables (subgroup of ordered variables)
Date   Sat, 10 Mar 2012 10:04:46 +0100

On Sat, Mar 10, 2012 at 4:38 AM, Nick Darson  wrote:
> However, in my case each person has faced several subsets of choices
> (example: only option0, option2, option3, option4, option8) and I need
> to create the ranking order of each subject for each subset.
>
> The problem is (to my understanding) that rowranks requires always a
> consecutive order of the variables that are ranked (e.g., syntax is:
>  rowranks x1-x5, gen(rank_x1-rank_x5) )

That is incorrect, -rowrnks- requires a varlist: see -help varlist-.
So you can type -rowranks(x1 x2 x5 x300000), ...-. Notice, that there
are no commas between the variable names.

The varlist x1-x5 is just a short-cut that is sometimes useful. I
actually hardly ever use it. Instead I tend to make heavy use of the *
and ? characters. Neither shortcut will help you in this case, you'll
just have to explicitly spell the entire list, which is not a problem
just more work.

Hope this helps,
Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany


http://www.maartenbuis.nl
--------------------------

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