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I liked [this suggestion](https://github.com/stan-dev/stan/issues/3366#issuecomment-3416024336) from @WardBrian and think it should be in the *User's Guide*, because it's a tricky edge case. The context is sum-to-zero vectors, but if there isn't...

bob-carpenter

We have docs for the versions defined over lower triangular matrices or symmetric positive definite matrices, but not these Spotted by @spinkney

WardBrian

Problem in the documentation for the autoregressive moving average model

3

I'm sorry if i'm wrong, but it looks like an error to me. This is the code shown in the documentation which i link [here](https://mc-stan.org/docs/stan-users-guide/time-series.html#moving-average-models) ```{stan} data { int T;...

Sghizzus

Issue/873 embedded laplace

16

#### Submission Checklist - [ ] Builds locally - [ ] New functions marked with `` `` - [ ] Declare copyright holder and open-source license: see below #### Summary...

charlesm93

The CmdStan (and CmdStanPy, CmdStanR) interfaces should document that the adaptive sampler initializes the stepsize before starting warmup. The function stan::mcmc::init_stepsize - https://github.com/stan-dev/stan/blob/6d0d863b93c7c34dfec4b013863678b233dc9fc7/src/stan/mcmc/hmc/base_hmc.hpp#L93-L162 - sets the stepsize using the value...

mitzimorris

Add documentation for the upcoming suite of functions to do an embedded Laplace approximation. See the `stan-math` PR: https://github.com/stan-dev/math/pull/3097. I guess we have to edit three docs: - [ ]...

charlesm93

Is Stan's affine transform type <offset, multiplier> restricted to scalars?

1

The Stan Reference Manual has sections: "Affinely Transformed Scalar" - https://mc-stan.org/docs/reference-manual/transforms.html#affinely-transformed-scalar and https://mc-stan.org/docs/reference-manual/types.html#affine-transform.section The following program compiles: ``` parameters { real y; vector[9] x; } model { y ~ std_normal();...

mitzimorris