There are tolerances in the checks, and sometimes scaling of the problem
leads to false positives on the checks.
Try control = list(starttest=FALSE, etc.) to suppress the test.
JN
On 15-08-13 01:20 PM, Olu Ola via R-help wrote:
> Hello,
> I am trying to estimate a non-linear GMM in R using Optim
Hello,
I am trying to estimate a non-linear GMM in R using Optimx. However, when I do
the start test to compare my analytical gradient with the numerical gradient, I
get the following error message
Error: Gradient function might be wrong - check it!
Below are the print out of my analytical and
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