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probabilistic-programming

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jedisom
jedisom commented Apr 14, 2020

I see that the Gumbel distribution has been created based on this link: https://www.tensorflow.org/probability/api_docs/python/tfp/distributions/Gumbel
This is the xi =0 case per https://en.wikipedia.org/wiki/Generalized_extreme_value_distribution

I would like to use a more generalized version of the extreme value distrubutions allowing xi to be non-zero; Gumbel xi =0, Frechet xi > 0, and/or W

SyDudulu
SyDudulu commented Dec 11, 2019

There seems to be some little bugs in these examples. For example
for t in range(iters): labeled_indices = (np.random.randint(0, n_labeled, size=batch_size)) x_labeled_batch = x_labeled[labeled_indices]

It throws the error that
TypeError: Only integers, slices (:), ellipsis (...), tf.newaxis (None`) and scalar tf.int32/tf.int64 tensors are valid indices, got array([17,

jar398
jar398 commented Dec 16, 2019

I don't know what the plans are for this software, but if there is a reasonable chance that it will require bug fixes or new features in the future, I would recommend that someone experienced with the system spend maybe 1-3 hours on basic developer documentation - just enough to orient a new person to the code.

If no more work will ever be done, this issue is moot and should be closed as a 'won

jg-you
jg-you commented Jan 17, 2019

Summary:

Documentation of optimizing does not appear accurate, specifically the init parameter

Description:

The description of the init parameter of optimizing is identical to that of sampling, with reference to chains, which optimizing does not use (as far as I understand).

Behavior does not seem to correlate with choices of init either. For example, initializing

fritzo
fritzo commented Apr 8, 2019

@lawmurray suggested adding examples of how to implement different styles of probabilistic programming languages on top of Funsor. We could implement this as a directory examples/ppl-zoo or examples/rosetta or something.

Tasks

(@eb8680 @lawmurray I've tried to populate with representative examples, but I think you both have clearer views of the landscape; feel free to update/add to/remove f

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