Weird Posteriors

A collection of real world models that give posterior with interesting shapes. The model, citations and impelmentation in Stan (and R).

The collections

• Banana shaped

  • N-mixture models code, readme
  • Occupancy models when detections are sparse code, readme

• Cross shaped

  • Gaussian mixture prior code, readme

• Tunnel shaped

  • Badly co-linear design code, readme
  • Plackett-Luce ranking model code, readme

• Multi-modal

  • Adaptive Bayesian LASSO code, readme

• Mushroom shaped

  • Stochastic Volatility model code, readme