Hi all, I find that using jitter+adapt_diag can give some Mass matrix contains zeros on the diagonal errors. I have seen it suggested that you use adapt_diag, and indeed this prevents the errors. However, the run-time is far far slower. Any general suggestions?

`jitter+adapt_diag` vs `adapt_diag`

junpenglao October 7, 2020, 6:22am 2

Sound like a model miss-specification problem you have there, since the Mass matrix contains zeros on the diagonal does not happen in the initial step - maybe try twisting your prior a bit?

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`jitter+adapt_diag` vs `adapt_diag`

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