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From |
Steven Samuels <sjhsamuels@earthlink.net> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Re: standardized coefficient in survey weighted regression using spost9 |

Date |
Sat, 22 Nov 2008 17:58:28 -0500 |

--

-Steve On Nov 20, 2008, at 6:57 PM, Michael I. Lichter wrote:

1. Sandi implied that she was using the survey commands (bymentioning svyset). They do not support the beta option.2. However, if Sandi only has pweights and not a complex design(with clustering or stratification), she can use "regular" -regress- with a pweight and specify the beta option as Martinsuggested.3. I assume there is a reason having to do with the survey methodof variance estimation that explains why the svy commands do notproduce betas and why programs like listcoef and betacoef don'twork with them, but I don't know what it is.-ml Martin Weiss wrote:BTW, why not use the -beta- option to -regress- which does allowsampling weights?************* sysuse auto, clear g r=5*runiform() regress length price mpg rep78 [pweight = r], beta ************* HTH Martin _______________________----- Original Message ----- From: "Pruitt, Sandi"<SPRUITT@DOM.wustl.edu>To: <statalist@hsphsun2.harvard.edu> Sent: Friday, November 21, 2008 12:27 AMSubject: st: standardized coefficient in survey weightedregression using spost9I am running a weighted linear regression (using a samplingweight or "pweight") using svyset commands. Following a previouslistserv discussion, I downloaded spost 9 and used the commandlistcoef so I could obtain standardized betas for thisregression. (I have a reviewer specifically asking for this.)However while it works, I get the following warning:"pweights not compatible with summarize; weights will be treatedas aweights"Can someone tell me how this might be affecting the standardizedbeta that I want to report?Thanks. ________________________________________ Sandi L. Pruitt Postdoctoral Research Associate Washington University School of Medicine Division of Health Behavior Research Campus Box 8504 4444 Forest Park Avenue, Suite 6700 St. Louis, MO 63108 Phone: 314-286-1921 Fax: 314-286-1919 spruitt@dom.wustl.edu * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/-- Michael I. Lichter, Ph.D. Research Assistant Professor & NRSA Fellow UB Department of Family Medicine / Primary Care Research Institute UB Clinical Center, 462 Grider Street, Buffalo, NY 14215 Office: CC 125 / Phone: 716-898-4751 / E-Mail: mlichter@buffalo.edu * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: standardized coefficient in survey weighted regression using spost9***From:*"Pruitt, Sandi" <SPRUITT@DOM.wustl.edu>

**st: Re: standardized coefficient in survey weighted regression using spost9***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**Re: st: Re: standardized coefficient in survey weighted regression using spost9***From:*"Michael I. Lichter" <mlichter@buffalo.edu>

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