Half-Cauchy prior

Specify a half-Cauchy prior for a positive parameter. Has heavier tails than half-normal, often used for variance parameters.

Usage

prior_half_cauchy(scale = 2.5)

Arguments

scale

Scale parameter. Must be positive.

Value

A ratiod_prior object

Examples

prior_half_cauchy(2.5)
#> Half-Cauchy(2.50)