Jesse Grabowski

Results 42 issues of Jesse Grabowski

https://github.com/pymc-devs/pymc/pull/7047 depreciates `pm.ConstantData` and `pm.MutableData` (again), so the [data container notebook](https://www.pymc.io/projects/examples/en/latest/fundamentals/data_container.html) no longer reflects best practices. It should be updated to: 1. Remove the explainer about the differences between `MutableData`...

good first issue

Adds `BayesianETS` as an available statespace model. According to [this book](https://www.otexts.com/fpp3/ets.html), this is great baseline model for forecasting. I don't have a lot of experience with it, but statsmodels implements...

### Description This came up in #885. The following graph will raise at compile time, but not during graph construction: ``` x = tensor("x", shape=(None, 5, 3)) # We avoid...

### Description The `Transform` class is one of the most confusing parts of PyMC, and issues using them are frequent on the discourse. See [here](https://discourse.pymc.io/t/how-to-generate-an-increasing-sequence/14794) and [here](https://discourse.pymc.io/t/modeling-a-spectrum-of-gaussians-with-smc/14854) for recent examples....

enhancements
request discussion

**What is this PR about?** There are currently several pain points when using labeled dims with`LKJCholeskyCov`: 1. The distribution samples 2d matrices, but passing a pair of dimensions results in...

enhancements

Is there a way to disable the jittering of the initial point on each chain when sampling? I'm working on quite fussy models, and would like finer control over the...

enhancement
question

Enable scenario-based forcasting in VARMAX, SARIMAX, and structural models with regressions. Couple to-dos before its ready for review: - [x] Carefully check the timing on the forecasting. Things seem to...

### Description Right now we have a function `pt.nlinalg.matrix_dot` that is just a helper for doing repeated dot products. This is similar to but worse than `np.linalg.multi_dot`, because `multi_dot` also...

enhancement
feature request
NumPy compatibility
linalg

### Description One might be `indexing.py` or `index_tricks.py`. That could hold anything related to generating indices or masks (including the new `_delta` and `_iota` functions introduced in #722. There could...

maintenance
request discussion

## Description Adds a pip-style syntax to the `nuts_sampler` argument that allows access to alternative compile backends, when relevant. This lets you get the nutpie jax backend by setting `nuts_sampler='nutpie[jax]'`....