include module type of struct include Stats.Pdfs end
val poisson : lambda:float -> k:int -> float
val gaussian : mean:float -> std:float -> float -> float
val exponential : rate:float -> float -> float
val geometric : p:float -> int -> float
val binomial : p:float -> n:int -> k:int -> float
val gaussian_ln : mean:float -> std:float -> float -> Log_space.t
val exponential_ln : rate:float -> float -> Log_space.t
val binomial_ln : p:float -> n:int -> k:int -> Log_space.t
val gamma_ln : shape:int -> scale:float -> float -> Log_space.t