RE: INITIAL OBJ FUNCTION ERROR

From: Vladimir Piotrovskij Date: April 05, 2000 technical Source: cognigencorp.com
From: "Piotrovskij, Vladimir [JanBe]" <VPIOTROV@janbe.jnj.com> Subject: RE: INITIAL OBJ FUNCTION ERROR Date: Wed, 5 Apr 2000 07:58:40 +0200 Dear Raj, Recently, I and a colleague of mine had the same problem with a much simpler model. I have no explanation yet, but what we did to obviate the problem was log-transformation of concentrations and fitting the model to logarithms (F in the $ERR block was also log-transformed). The residual error model was additive. Contact me if you need more details on the implementation. Best regards, Vladimir
Apr 05, 2000 Nelamangala Nagaraja INITIAL OBJ FUNCTION ERROR
Apr 05, 2000 Vladimir Piotrovskij RE: INITIAL OBJ FUNCTION ERROR
Apr 05, 2000 Joost de Jongh RE: INITIAL OBJ FUNCTION ERROR
Apr 05, 2000 Mats Karlsson Re: INITIAL OBJ FUNCTION ERROR