Community Profile

Patrick Walsh


US EPA: National Center for Environmental Economics

4 total contributions since 2012

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Submitted


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

2 years ago | 1 downloads |

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Submitted


normbig(SW)
Standardizes a large spatial weights matrix

2 years ago | 1 downloads |

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Submitted


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

3 years ago | 5 downloads |

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Submitted


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

4 years ago | 4 downloads |

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