gompertz: Gompertz model with normal observations.
Description
gompertz is a pomp object encoding a stochastic Gompertz population model with normal measurement error.
Usage
data(gompertz)
Arguments
Details
The state process is $X_{t+1} = K^(1-R) X_{t}^R eps_{t}$, where the $eps_t$ are i.i.d. lognormal random deviates with variance $sigma^2$.
The observed variables $Y_t$ are distributed as $normal(X_t,tau)$.