Yuling Yao

Add hierarchical stacking

3

Given the new research progress on ["hierarchical stacking"](https://arxiv.org/abs/2101.08954), it would be useful to implement this new tool into the loo package. This new tool needs more user customization: after a...

accelerate the optimization algorithm in stacking

1

stacking_weights() optimize the weights, which is a (K-1) simplex. Currently, it renders the constrained optimization and optimizes the first (K-1) weights in a constraint space. When the number of models...

Log density with proportionality in ADVI drops more than constant

2

#### Summary: Log density with proportionality in ADVI drops more than constant #### Description: According to stan C++ guidance (https://github.com/stan-dev/stan/wiki/Model-Concept), the log probability of a stan model, with or without...

Reorganize the stan example repository

13

#### Summary: Reorganize the stan example repository and include predictive metrics for the purpose of a collective model set which will be used as the Bayesian computation benchmark. #### Description:...