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Warning message for Gaussian Process: Likelihood estimation algorithm did not converge

Dear JMP experts,

I recently conducted a space-filling DOE with Latin Hypercube design of 700 runs. I then use the Gaussian process to fit the data. The 'Actual by Predicted Plot' looks very nice and most of the data lies perfectly along the 45-degree line. However, I got a warning message says:

Warning: Likelihood estimation algorithm did not converge.

Please find attached the Gaussian process Model report.

I've looked around and can't find any documentation/discussion regarding this warning message.

Can you please kindly give me some guidance?

-What causes this message?

-What does this message mean?

-Can I still trust the result? If not, what should I do to correct the model?

Thank you.

Best regards,

Yili

Analytics

DOE

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