search for: maxroutine

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

2009 Mar 02
1
initial gradient and vmmin not finite
Dear Rhelpers I have the problem with initial values, could you please tell me how to solve it? Thank you June > p = summary(maxLik(fr,start=c(0,0,0,1,0,-25,-0.2))) Error in maxRoutine(fn = logLik, grad = grad, hess = hess, start = start, : NA in the initial gradient > p = summary(maxLik(fr,start=c(0,0,0,1,0,-25,-0.2),method="BFGS")) Error in optim(start, func, gr = gradient, control = control, method = "BFGS", : initial value in 'vmmin'...