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2012 Jul 17
1
Threshold Quantile Regression code CRASHES in R
...kx),n,kx) q <- matrix(rnorm(n),n,1) z2 <- cbind(matrix(1,n,1),q) for(i in 1:reps){ e <- matrix(rnorm(n*2,quantile(rnorm(n),tau),1),n,2)%*%chol(sig) z1=0.5+0.5*x*(q<=0)+1*x*(q>0)+e[,2] y=0.5+1*z1*(q<=1)+1.5*z1*(q>1)+1*z2[,2]+e[,1] out1 <- joint_thresh(y=z1,x=x,q=q) z1hat<- out1$yhat rhohat[i] <- out1$qhat zhat <- cbind(z1hat,z2)out2 <- joint_thresh_2(y=y,x=zhat,q=q) qhat[i] <- out2$qhat } #Close for loop. list(rhohat=rhohat,qhat=qhat) } #************************************************************#You can easily run it yourselves. The problem i...