topic Re: Quasi-complete separation in PROC LOGISTIC, but I just care about significant variables. So.... in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/Quasi-complete-separation-in-PROC-LOGISTIC-but-I-just-care-about/m-p/193520#M10304 <HTML><HEAD></HEAD><BODY><P>It depends on where the separation is.&nbsp; When there is quasi-complete separation, usually one variable will have very odd confidence intervals.&nbsp; Those shouldn't be used. But the other ones can.&nbsp; See this paper by <A href="http://www2.sas.com/proceedings/forum2008/360-2008.pdf">Paul Allison</A></P></BODY></HTML> Wed, 27 May 2015 10:47:13 GMT plf515 2015-05-27T10:47:13Z Quasi-complete separation in PROC LOGISTIC, but I just care about significant variables. So.... https://communities.sas.com/t5/Statistical-Procedures/Quasi-complete-separation-in-PROC-LOGISTIC-but-I-just-care-about/m-p/193519#M10303 <HTML><HEAD></HEAD><BODY><P>So, do I have to worry about the "Quasi-Complete separation" message when running a PROC LOGISTIC, if I just care to know which variables are significant? I don't care about their estimates. Also, fyi, all my predictor variables are categorical and and are collapsed as much as it makes sense for them to be.</P><P></P><P>Thanks!</P><P>Divya</P></BODY></HTML> Tue, 26 May 2015 20:04:18 GMT https://communities.sas.com/t5/Statistical-Procedures/Quasi-complete-separation-in-PROC-LOGISTIC-but-I-just-care-about/m-p/193519#M10303 TryingwithSAS 2015-05-26T20:04:18Z Re: Quasi-complete separation in PROC LOGISTIC, but I just care about significant variables. So.... https://communities.sas.com/t5/Statistical-Procedures/Quasi-complete-separation-in-PROC-LOGISTIC-but-I-just-care-about/m-p/193520#M10304 <HTML><HEAD></HEAD><BODY><P>It depends on where the separation is.&nbsp; When there is quasi-complete separation, usually one variable will have very odd confidence intervals.&nbsp; Those shouldn't be used. But the other ones can.&nbsp; See this paper by <A href="http://www2.sas.com/proceedings/forum2008/360-2008.pdf">Paul Allison</A></P></BODY></HTML> Wed, 27 May 2015 10:47:13 GMT https://communities.sas.com/t5/Statistical-Procedures/Quasi-complete-separation-in-PROC-LOGISTIC-but-I-just-care-about/m-p/193520#M10304 plf515 2015-05-27T10:47:13Z Re: Quasi-complete separation in PROC LOGISTIC, but I just care about significant variables. So.... https://communities.sas.com/t5/Statistical-Procedures/Quasi-complete-separation-in-PROC-LOGISTIC-but-I-just-care-about/m-p/193521#M10305 <HTML><HEAD></HEAD><BODY><P>Thank you!!!!</P></BODY></HTML> Thu, 28 May 2015 13:21:00 GMT https://communities.sas.com/t5/Statistical-Procedures/Quasi-complete-separation-in-PROC-LOGISTIC-but-I-just-care-about/m-p/193521#M10305 TryingwithSAS 2015-05-28T13:21:00Z