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Re: st: Cramers V with weighted data


From   "Waldo, Daniel R. (CMS/ORDI)" <Daniel.Waldo@cms.hhs.gov>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Cramers V with weighted data
Date   Thu, 14 Aug 2008 10:47:55 -0400

In the case of complex survey design, should the denominator of the
calculation take the design effect into consideration? That is, should I
use N/DEff as opposed to N?
------------------------------

Date: Tue, 12 Aug 2008 08:34:30 -0400
From: Steven Samuels <sjhsamuels@earthlink.net>
Subject: Re: st: Cramers V with weighted data

I did.

Thanks, Paul.

- -Steve
On Aug 12, 2008, at 5:21 AM, Paul Seed wrote:

> I think Steven meant:
>
> 	gen crV= sqrt(e(cun_Pear)/e(N))
>
> or:
>
> 	di "Cramer's V = " sqrt(e(cun_Pear)/e(N))
>
>
> Paul Seed, Lecturer in Medical Statistics
> KCL School of Medicine, Division of Reproduction and Endocrinology
> tel  (+44) (0) 20 7188 3642
>
>> On Aug 8, 2008, at 12:21 PM, Steven Samuels wrote:
>> .
>> -svyset- the data with pweights equal to your weight. Run -svy:
>> tabulate- and divide the uncorrected Pearson Chi Square statistic
>> by the sample size.  You can program this by dividing the returned
>> scalar e(cun_Pear) by the scalar e(N)
>>
>> gen crV= e(cun_Pear)/e(N)
>>
>> -Steve


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