InvSWM_F(xcoord,ycoord,lower,upper,RowStdOpt)
Uses x,y coordinates to produce distance-based spatial weight matrices useful for spatial econometric regressions. The user is asked to input x and y coordinates, as well as a lower and upper bound threshold for the neighborhood.
The code is adapted from a previous version by Shawn Bucholtz of the USDA. A correction is made to set the (i,i) th elements (the diagonals) equal to zero.
Unlike other similar programs, this one can be used on very large datasets.
Zitieren als
Patrick Walsh (2024). InvSWM_F(xcoord,ycoord,lower,upper,RowStdOpt) (https://www.mathworks.com/matlabcentral/fileexchange/27526-invswm_f-xcoord-ycoord-lower-upper-rowstdopt), MATLAB Central File Exchange. Abgerufen .
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- AI, Data Science, and Statistics > Statistics and Machine Learning Toolbox > Cluster Analysis and Anomaly Detection > Nearest Neighbors >
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Version | Veröffentlicht | Versionshinweise | |
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1.3.0.0 | Updated to include normbig file |
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1.2.0.0 | Updated to include other required programs. |
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1.1.0.0 | Some minor updates, should make code run better. |
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1.0.0.0 |