Hi, I am running on a 64-bit version of SAS 9.4 from a remote system. I received these error messages: ERROR: Invalid Operation. ERROR: Termination due to Floating Point Exception when trying to run the code below in 1000 simulation and after about 50 run. proc nlmixed data=analysis_&sim ; parms a0=0 a1=0 a2=0 b0=0 b1=0 b2=0 tau=0 sigma=1 sigma1=1 sigma2=1 nu=1; bounds sigma>0, sigma1>0, sigma2>0, nu>0; eta_zero_m=a0+a1*x1+a2*x2+z1; p_zero_m=exp(eta_zero_m)/(1+exp(eta_zero_m)); /* probability y > 0 */ eta_cont_m=b0+x1*b1+b2*x2+z2; mu_cont_m=exp(eta_cont_m); delta_cont=eta_cont_m - (sigma**2/2); mu_cont_p=exp(delta_cont); if y=0 then ll=log(p_zero_m); else ll=log(1-p_zero_m)+log(y)*(mu_cont_p*(1+nu)-1)-(mu_cont_p*(1+nu)+nu+2)*log(1+y) lgamma(mu_cont_p*(1+nu)) -lgamma(nu+2)+lgamma(mu_cont_p*(1+nu)+nu+2); model y~general(ll); random z1 z2 ~ normal([0,0],[sigma1**2,tau*sigma1*sigma2,sigma2**2]) subject=idnum; ods output ParameterEstimates=estTT_&sim ConvergenceStatus=ConvergTT_&sim FitStatistics=FitTT_∼ run; data matrix_TT; set estTT_:; output; data conv_TT; set ConvergTT_:; output; data fit_TT; set FitTT_:; output; run;
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