Hello,
I want to convert the following SAS code in S-plus script.
I'm using S-Plus 2000 in Windows 95.
PROC nlmixed data=dat cov df=39;
PARMS A=-1.5 A1=0.5 B=1.1 C=.1 D=.7;
IF SAMPLE="s" THEN I=0;
ELSE I=1;
Y=A+B*lconc + A1*I;
F1=C+(D-C)/(1+EXP(-Y));
MODEL OD ~ normal(F1,s2e);
Does anyone have any advice as to how to do this?
Any comments will be appreciated,
Anne
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