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From |
"Joao Ricardo F. Lima" <jricardofl@gmail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: svy and pweight postestimation tools |

Date |
Sun, 23 Nov 2008 11:42:05 -0300 |

Dear Steve, I think that the option -predicit- with -residuals- is not valid in Stata 10.1 too. *****begin example******* webuse nhanes2f svyset psuid [pweight=finalwgt], strata(stratid) svy: logistic diabetes sex race age predict r, residuals ******end example******* Please Steve, what is your opinion about her note: "(Note: The strata and PSUs, when analyzed separately, provide design effects almost equal to 1 so the effects in my model are almost entirely from the weighting. So, I could get results -except for standard errors - using just the weights.)" This make sense for you? Thanx and Best Regards, Joao Lima 2008/11/22 Steven Samuels <sjhsamuels@earthlink.net>: > -- > > Carissa: > > -help logistic postestimation- will show you which commands are available > after -svy: logistic-. The -esttat clas- command is not one of them in > Stata 9 or 10. -predict- with a -residuals- option is valid in Stata 10.1 > but not in Stata 9. You _can_ compute your own weighted survey -linktest- > of fit. > > predict hat, xb > gen hat2 = hat*hat > svy: logistic aepart hat hat2 //link test is the significance of phat2 > > You can also construct ROC Curves. Use -logistic- with fweights, the survey > weights rounded to the nearest integer. See the thread at: > http://www.stata.com/statalist/archive/2007-08/msg00739.html#_jmp0_ . > > -Steve > > > On Nov 21, 2008, at 11:45 AM, Carissa Moffat Miller wrote: > >> >> StataList: >> >> I am conducting logistic regression for a complex survey design using >> Stata version 9. I have found in your past discussions and the user manuals >> that many postestimation tests are not appropriate with svy commands. I have >> not found discussion on classification tables and residuals and have been >> unable to get the following commands to work either with an svy command or >> by just using the pweights in Stata. >> >> I have been able to get these to work in another software program using >> the weights, but I'm concerned it isn't appropriately applied. Can someone >> tell me: 1) if these tests are appropriate with complex survey data or just >> pweights, and 2) if so,what are the commands or where would I find them? or >> 3) if not appropriate, a reference I might cite? >> >> (Note: The strata and PSUs, when analyzed separately, provide design >> effects almost equal to >> 1 so the effects in my model are almost entirely from the weighting. So, I >> could get results -except for standard errors - using just the weights.) >> >> Cheers, Carissa >> >> >> Syntax and error messages: >> >> svyset APSU [pweight=FAWT], strata (ASTRATUM) >> xi: svy: logistic aepart i.agecat i.Incomequ i.HIGHEDUC employed female >> urban >> >> estat clas >> >> {ERROR}: invalid subcommand clas >> >> predict r, residuals >> summarize r, detail >> >> {ERROR}: option residuals not allowed >> >> >> >> * >> * 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/ > -- ---------------------------------------- Joao Ricardo Lima, D.Sc. Professor UFPB-CCA-DCFS Fone: +553138923914 Skype: joao_ricardo_lima ---------------------------------------- * * 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/

**Follow-Ups**:**Re: st: svy and pweight postestimation tools***From:*Steven Samuels <sjhsamuels@earthlink.net>

**RE: st: svy and pweight postestimation tools***From:*Carissa Moffat Miller <carissamiller@vandals.uidaho.edu>

**References**:**st: svy and pweight postestimation tools***From:*Carissa Moffat Miller <carissamiller@vandals.uidaho.edu>

**Re: st: svy and pweight postestimation tools***From:*Steven Samuels <sjhsamuels@earthlink.net>

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