Good evening
I am running a Double-Hurdle corner solution model in other to characterise the preferences of local and indigenous households for elephant conservation.
After wrinting the command below, the maximization procedure failed to converge to a solution. Indeed, I have the following result.
Hope some one should help me.
Regards
Command
*TWO-PART USING CRAGGIT
global yhurdle1 discrete
global xhurdle1 lb sex age hsize educlvl expensemth autochbaka smalfarm tgoldmin hunt_gath fmu_foad othadmin hum_el ldarea dist_narea densit
global yhurdle2 maxwtp
global xhurdle2 sex age hsize educlvl expensemth autochbaka smalfarm tgoldmin hunt_gath fmu_foad othadmin hum_el ldarea dist_narea densit
craggit $yhurdle2 $xhurdle2, sec($yhurdle1 $xhurdle1)
Estimating Cragg's tobit alternative
Assumes conditional independence
initial: log likelihood = -<inf> (could not be evaluated)
feasible: log likelihood = -953.88316
rescale: log likelihood = -953.88316
rescale eq: log likelihood = 213988.65
numerical derivatives are approximate
flat or discontinuous region encountered
could not calculate numerical derivatives
discontinuous region with missing values encountered
r(430);
end of do-file
r(430);
I am running a Double-Hurdle corner solution model in other to characterise the preferences of local and indigenous households for elephant conservation.
After wrinting the command below, the maximization procedure failed to converge to a solution. Indeed, I have the following result.
Hope some one should help me.
Regards
Command
*TWO-PART USING CRAGGIT
global yhurdle1 discrete
global xhurdle1 lb sex age hsize educlvl expensemth autochbaka smalfarm tgoldmin hunt_gath fmu_foad othadmin hum_el ldarea dist_narea densit
global yhurdle2 maxwtp
global xhurdle2 sex age hsize educlvl expensemth autochbaka smalfarm tgoldmin hunt_gath fmu_foad othadmin hum_el ldarea dist_narea densit
craggit $yhurdle2 $xhurdle2, sec($yhurdle1 $xhurdle1)
Estimating Cragg's tobit alternative
Assumes conditional independence
initial: log likelihood = -<inf> (could not be evaluated)
feasible: log likelihood = -953.88316
rescale: log likelihood = -953.88316
rescale eq: log likelihood = 213988.65
numerical derivatives are approximate
flat or discontinuous region encountered
could not calculate numerical derivatives
discontinuous region with missing values encountered
r(430);
end of do-file
r(430);
Comment