From: "Brian M. Sadler" sadler1@nc.rr.com Subject: [NMusers] Full and Reduced Residual Error Models Date: Fri, 17 Nov 2006 13:12:48 -0500 Dear All, Is it “fair” to consider that Y=F*(1+ETA(1)) is a reduced model of Y=F*(1+EPS(1))+EPS(2) for the purposes of using the Likelihood Ratio Test? It seems that the combination model reduces to the CCV model when the variance of EPS(2) is fixed to zero. Brian M. Sadler, Ph.D. Strategic PK Consulting, LLC 1209 Seabrook Avenue Cary, North Carolina 27511 USA bsadler1@nc.rr.com +1 (919) 523-5485 (mobile) +1 (508) 408-0250 (fax) _______________________________________________________