Useful messages for not positive definite errors

university-of-newcastle-research / pmwg

Repository for code for the Samplers Team at UoN

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Useful messages for not positive definite errors #52

Closed gjcooper closed 1 year ago

gjcooper commented 3 years ago

Is your feature request related to a problem? Please describe. When not positive definite during gibbs step or conditional multivariate normal some kind of message that indicates the problem user.

Describe the solution you'd like Better error message, nail down the specific subject causing it.

Describe alternatives you've considered Leave it with better intro text

gjcooper commented 1 year ago

Not sure how easy this is - might need a sample dataset/model that exhibits this behaviour for testing.