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Patrick Walsh


US EPA: National Center for Environmental Economics

Actif depuis 2012

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InvSWM_F(xcoord,ycoord,lower,upper,RowStdOpt)
Creates an inverse-distance SWM, from X and Y coords.Can be used on very large datasets

plus de 9 ans il y a | 1 téléchargement |

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normbig(SW)
Standardizes a large spatial weights matrix

plus de 9 ans il y a | 1 téléchargement |

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Nearest Neighbor Spatial Weights Matrix
uses x,y coordinates to produce one of several types of nearest-neighbor spatial weight matrix.

environ 11 ans il y a | 1 téléchargement |

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Distance Based Spatial Weights Matrix, condition on time
Creates either an inverse distance or distance-based SWM, which also excludes neighbors by date.

plus de 11 ans il y a | 1 téléchargement |