Description Usage Arguments Details Value Source

View source: R/convenience-functions.R

Extract eigenfunctions of a spatial connectivity matrix for spatial filtering

1 |

`C` |
A binary spatial weights matrix. See shape2mat or nb2mat. |

`nsa` |
Logical. Default of |

`threshold` |
Defaults to |

`values` |
Should eigenvalues be returned also? Defaults to |

Returns a set of EVs limited to those with |MC| > `threshold`

if `nsa = TRUE`

or MC > `threshold`

if `nsa = FALSE`

, along with corresponding eigenvalues (optionally).

A `data.frame`

of eigenvectors for spatial filtering. If `values=TRUE`

then a named list is returned with elements `eigenvectors`

and `eigenvalues`

.

Daniel Griffith and Yongwan Chun. 2014. "Spatial Autocorrelation and Spatial Filtering." in M. M. Fischer and P. Nijkamp (eds.), *Handbook of Regional Science.* Springer.

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