Cox process (source code)

= Cox process
{c}
{title2=$N\mid\Lambda\sim\operatorname{Poisson\ process}(\Lambda)$}
{wiki}

= Doubly-stochastic Poisson process
{synonym}

A counting process which, conditional on a random nonnegative locally integrable intensity $\Lambda$, is an <Inhomogeneous Poisson process>. For $L_t=\int_0^t\Lambda(s)\,ds$, conditioning gives $\mathbb EN(t)=\mathbb EL_t$ and $\operatorname{Var}N(t)=\mathbb EL_t+\operatorname{Var}L_t$. Thus finite-variance counts are never underdispersed. Randomness of the intensity may induce dependence between increments which are independent conditionally.