search for: skewmle

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2005 Sep 06
1
R: optim
...[[1]]$counts function gradient 53 53 [[1]]$convergence [1] 0 [[1]]$message [1] "CONVERGENCE: REL_REDUCTION_OF_F <= FACTR*EPSMCH" ################################################################################# i ghave included the function used in the optim call: SKEWMLE=function(l,DATA=XDATA,...) { #alpha = l[1] #beta = l[2] #phi2 = l[3] #v= l[4] phi1=PHI1 DATA<-as.matrix(DATA) fnew<-function(x,y,l,...) { #when we do not estimate phi1 t1=(1+((y-l[1]-l[2]*x)^2)/(l[4]*l[3]^2))^(-0.5*(1+l[4])) t2=(1+(x^2)/l[4])^(-0.5*(1+l[4])) t3...