var_sinar {sinar}

Empirical estimate for the variance of innovations.

Description

\sigma^2_\epsilon is the variance the innovations for the SINAR(1,1) model.

Usage

var_sinar(X)

Arguments

X

A integer matrix where each cell is the observed value in the regular lattice.

Value

The estimated standard deviation in the SINAR(1,1).

Examples

data("nematodes")
var_sinar(nematodes)