what is a half cachehy prior for scale? can a half cauchy prior be considered a scale parameter in a model is inverse caucay inverse why is cauchy a prior distribution what is the prior distribution used for scale parameters how to find a half cauchy prior what is half cauchy prior in math what is the prior distribution when to use half cauchy prior in a variance distribution how to use a half cauchy prior where to find a prior distribution for a scale parameter what is the difference between a full cauchy prior distribution and inverse gamma prior distribution? half cauchy prior for variance how to write a half cauchy prior what is a half cauchy prior distribution what is a half cauchy prior can you use half cauchy prior which family is used for prior distributions in a hierarchical model? why use half-cauchy prior what is the difference between the half cauchy and inverse gamma priors