Patrick Walsh

US EPA: National Center for Environmental Economics

自 2012 起处于活动状态

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统计学

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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

9 years 前 | 1 次下载 |

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normbig(SW)
Standardizes a large spatial weights matrix

9 years 前 | 1 次下载 |

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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.

11 years 前 | 1 次下载 |

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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.

11 years 前 | 1 次下载 |