Distributions

Probability distributions describe how a random variable is spread. They are grouped by support type and dimensionality.

Families

Family	Examples	Typical use
Discrete	Bernoulli, Binomial, Poisson	Counts, defaults, rare events
Continuous univariate	Uniform, Normal, Log-normal, Student…	Returns, errors, continuous modeling
Multivariate	Multivariate normal	Portfolios, cross-asset correlations