pymc.HalfCauchy — PyMC 5.23.0 documentation (original) (raw)
class pymc.HalfCauchy(name, *args, rng=None, dims=None, initval=None, observed=None, total_size=None, transform=UNSET, default_transform=UNSET, **kwargs)[source]#
Half-Cauchy distribution.
The pdf of this distribution is
\[f(x \mid \beta) = \frac{2}{\pi \beta [1 + (\frac{x}{\beta})^2]}\]
(Source code, png, hires.png, pdf)
| Support | \(x \in [0, \infty)\) |
|---|---|
| Mode | 0 |
| Mean | undefined |
| Variance | undefined |
Parameters:
betatensor_like of float
Scale parameter (beta > 0).
Methods
| HalfCauchy.dist(beta, *args, **kwargs) | Create a tensor variable corresponding to the cls distribution. |
|---|