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Cannot declare and define an integer array using the colon operator

5

#### Summary: It is a parser error to declare and define a one-dimensional integer array using the colon operator. #### Description: It is a parser error to declare and define...

bgoodri

Expose stan::math::hessian and stan::math::hessian_times_vector as methods in the stan::model class

15

#### Summary: The ```stan::model``` class does not currently expose the ```stan::math::hessian``` and ```stan::math::hessian_times_vector``` of the log probability, though in principle it could easily do so in a manner similar to...

rgiordan

Request: ADVI delta_ELBO_mean delta_ELBO_med to diagnostic_writer

6

#### Summary: Feature request: Add convergence metrics `delta_ELBO_mean`, `delta_ELBO_med` to ADVI diagnostic writer #### Description: My first issue here. Searched but found no issues specifically related to this. I am...

lseffer

#### Summary: The service functions in `stan/services` are too hard to invoke because every argument must be supplied and there are over 20 of them for each service method. ####...

bob-carpenter

#### Summary: Right now it is a matter of specifying appropriate compile time defines like `-DSTAN_THREADS` in order to switch threading support on. We should consider changing `stanc` to have...

wds15

Feature request: variable-length argument lists to user-defined functions

4

#### Summary: Allow user-defined functions to have an argument list that ends with 0 or more arguments all of the same type. Call these _optional_ arguments. #### Description: Currently there...

ksvanhorn

Exposing mu to the services (stepsize warmup)

2

#### Summary: Regarding the parameters of the dual averaging optimization for the stepsize in the warmup, all parameters can be set by the user except `mu`. For certain models, the...

Tuxonomics

#### Summary: The help option is slightly out-of-date. #### Description: It currently points to the Math library repo at the end of the help message. That should point to Stan....

syclik

Merge Transformed Parameters and Model Blocks

1

#### Summary: The point of this feature request is to merge the `transformed parameters` and `model` blocks, as the added complexity of having them be separate entities seems unnecessary. ####...

VMatthijs

gaussian_dlm_obs should allow nonnegative-definite matrices

2

#### Summary: Although it is not specified in the manual, gaussian_dlm_obs() gives an error if the C0 argument is nonnegative definite instead of positive definite. #### Description: The C0 argument...

ksvanhorn