jnsbck

Results 2 issues of jnsbck

…oned, and corrected for proposals, bot in SNPE-A and SNPE-C ## What does this implement/fix? Explain your changes This PR attempts to consolidate the functionalities of the various mixture density...

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## What does this implement/fix? Explain your changes This implements a `CategoricalMADE` to generelize MNLE to multiple discrete dimensions addressing #1112. Essentially adapts `nflows`'s MixtureofGaussiansMADE to autoregressively model categorical distributions....