search for: mlebinorm

Displaying 1 result from an estimated 1 matches for "mlebinorm".

2008 Feb 24
0
problem with ML estimation
...ng results which are very inaccurate. I am sending my programme. It would be of great help if someone can point me, where I am going wrong. ############################################################ library(MASS) Sigma <- matrix(c(4,2.8,2.8,4),2,2) y<-mvrnorm(n=1000, rep(0, 2), Sigma) mlebinorm<- function(startval, y)# startval = Initial Values to be passed , y= data { startval<-as.numeric(startval) oneside=matrix(c(0,0,0,0,-1,0,0,0,0,1),5,2) otherside = c(-0.9999999,-0.999999) n<- ncol(y) nf<- function(x) { mu1<-x[1] mu2<-x[2] sig1<-x[3] sig2<-x[4]...