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## Summary
It would be cool to be able to model `sigma` as a garch process.
## Description
After closing #708, brms can support autocor processes in the formula syntax ala
```stan
fit
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#### Summary:
This is an idea for a "new developer friendly" project.
mice (Multivariate Imputation by Chained Equations) package
https://cran.r-https://cran.r-project.org/package=mice
allows user…
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Hey Andy! @quadrychance and I have been thinking about how to propagate uncertainty and I did a few experiments last night and have some thoughts/questions.
The main question is about the choice of…
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I am trying to use TuringGLM to better learn Turing, and so I wrote the simplest LM and would like to re-write that in Turing.
```julia
using RDatasets
using TuringGLM
data = RDatasets.datas…
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(I'm going to try to start writing up issues for some of the ideas I have recorded over the past year or so for amazing things we can do with the new compiler infrastructure here. I'll apply this big-…
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## Testing
- [ ] Comprehensive test of all algorithms and aggregation steps
- [ ] Write up clearly what happens with missing area in the input, when it comes to aggregation
- [ ] Check left…
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It'd be nice to have structured mass matrices so that we could have a mass matrix where there are structured zeros. The use case is when we think there are correlations in the posterior among some of…
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In a recent RDAS test, a warm bias (~1K) is seen in the OmB of ADPUPA (Type 181/187) surface temperature (T2m) observations using the vertical interpolation operator ("Vertinterp"), RDAS issue: https…
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@sunnyisgalaxy
I got this error while calling withVariance
`Informational Message: The current Metropolis proposal is about to be rejected because of the following issue:
stan::prob::beta_log: F…
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**Issue by [bob-carpenter](https://github.com/bob-carpenter)**
_Saturday Nov 30, 2013 at 17:00 GMT_
_Originally opened as https://github.com/stan-dev/stan/issues/426_
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It'd be nice to have stru…