[R] ifelse command

2006-07-22 Thread Xin
Dear: I try to revise the maximum likelihood function below using something constrains. But it seems something wrong with it. Becasue R would not allow me to edit the function like this. It is very appreciate if you can help. function (parameters,y,x1,x2) { p-parameters[1]

Re: [R] ifelse command

2006-07-22 Thread Carlos J. Gil Bellosta
Dear Xin, Although I have no idea what your function does, I believe it would be formally correct in the following way: foo - function (parameters,y,x1,x2) { p -parameters[1] alpha1-parameters[2] beta1-parameters[3] delta1-parameters[4]