Description Usage Arguments Details Value Author(s)

This function creates the ICAR precision matrices used in the spatial models

1 |

`xy` |
An n x 2 matrix of spatial coordinates |

`threshold` |
Distance threshold for neighborhood definition |

`rho` |
The autoregressive parameter. Defaults to 1, which is the Intrinsic Conditionally AutoRegressive model (ICAR) |

`fun` |
If |

Constructs the inverse covariance matrix (aside from scaling) for the ICAR model

An n x n matrix

Devin S. Johnson <devin.johnson@noaa.gov>

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