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st: Re: question on -polychoricpca-


From   Shivani Wadehra <[email protected]>
To   [email protected]
Subject   st: Re: question on -polychoricpca-
Date   Sun, 24 Mar 2013 15:09:21 +0530

Dear statalister

Can you please tell me how can I generate the variable index1, as when
I multiply the scoring coefficients with the normalized values of the
variable I am not getting the same answer.

Regards
Shivani

On Wed, Mar 20, 2013 at 4:03 PM, Nick Cox <[email protected]> wrote:
> Headings like "Query" are more likely to be ignored and just create
> the impression that you gave no thought to creating an informative
> title.
>
> Typing http://web.missouri.edu/~kolenikovs/stata/polychoricpca.hlp
> shows where this command comes from, which you are asked to explain.
>
> The option -score()- is explained as follows
>
> score is the prefix for the variables to be generated to contain the principal
>     component scores.
>
> So you are right.
>
> Nick
>
> On Wed, Mar 20, 2013 at 4:56 AM, Shivani Wadehra <[email protected]> wrote:
>> Dear Statalister
>>
>> I am using polychoricpca for making an index. Can you please clarify
>> what the command "ploychoricpca (variables list), score(index),
>> nscore(1)" does. My  guess is the the variable index1 so generated is
>> the one that conatins the scores for the index. Please let me know if
>> this is right.
>>
>> Regards
>> Shivani Wadehra
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