ricker: Ricker model with Poisson observations.

Description Details See Also Examples

Description

ricker is a pomp object encoding a stochastic Ricker model with Poisson measurement error.

Details

The state process is N[t+1] = r N[t] exp(-N[t]+e[t]), where the e[t] are i.i.d. normal random deviates with zero mean and variance sigma^2. The observed variables y[t] are distributed as Poisson(phi N[t]).

See Also

pomp, gompertz, and the tutorials on the package website.

Examples

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pomp documentation built on May 21, 2017, 12:13 a.m.

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