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write transformed data along with posterior sample

2

There is currently no way to recover the data created in the transformed data block. Because that can involve randomization now, it's not possible to recreate on the outside. There's...

bob-carpenter

categorical_logit_rng() doesn't accept negative_infinity() input

7

Hello everyone, The following Stan program: ```stan generated quantities { vector[3] theta = [0, 0.5, 0.5]'; vector[3] log_theta = log(theta); int test = categorical_rng(theta); // works int test2 = categorical_rng(exp(log_theta...

mhollanders

Fix stan_csv_reader and test

9

The stan_csv_reader is broken and has been for some time. The internal state is extremely fragile and right now it incorrectly parses the input data file. Any fix would require...

betanalpha

The output now is probably being flushed on a line-by-line basis through `

bob-carpenter

#### Summary: Currently the mean is saved in the CSV output above the samples, but there is no way to get the estimated (co-)variance out, short of approximating it through...

WardBrian

I believe that this is the final piece necessary to make processing of the comments in the CSV file obsolete. cc @mitzimorris

WardBrian

Feature request: Can we have a more compact output formats than CSV such as Parquet?

1

I run some experiments, where the output CSV file easily becomes >100 GiB. An example is when fitting a model with Gaussian process as a latent variable, where there is...

jachymb

Feature request: Add timestamps to sample progress

8

When running Stan, I like to follow the sampling output progress; for example: ``` ... Chain [1] Iteration: 500 / 1500 [ 33%] (Warmup) Chain [1] Iteration: 501 / 1500...

jerome-white

Improve error messaging at: Error evaluating initial BFGS point.

3

This error doesn't really give any insight to the user as of what the actual problem with the init value is. Perhaps there is a nan or infinity in the...

jachymb

FEATURE REQUEST: Can we have native support for ragged arrays?

4

I think it would be great if there is a native support for ragged arrays in the datatypes. The need for this appears in practice, when we have groups of...

jachymb