Displaying 2 results from an estimated 2 matches for "karlhugoandre".
2017 Nov 07
0
Using MLE on a somewhat unusual likelihood function
(inline)
> On 7 Nov 2017, at 06:02 , Hugo Andr? <karlhugoandre at gmail.com> wrote:
>
> So I am trying to use the mle command (from stats4 package) to estimate a
> number of parameters using data but it keeps throwing up this error message:
>
> Error in solve.default(oout$hessian) :
> Lapack routine dgesv: system is exactly singular: U[...
2017 Nov 07
2
Using MLE on a somewhat unusual likelihood function
So I am trying to use the mle command (from stats4 package) to estimate a
number of parameters using data but it keeps throwing up this error message:
Error in solve.default(oout$hessian) :
Lapack routine dgesv: system is exactly singular: U[1,1] = 0
This error sometimes indicates that the list of starting values is too far
from optimum but this is unlikely since I picked values close to where