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| Changes and Enhancements to SAS/STAT Software in V7 and V8 |
The VARIOGRAM procedure computes sample or empirical measures of spatial continuity for two-dimensional spatial data. These continuity measures are the regular semivariogram, a robust version of the semivariogram, and the covariance. These measures are written to an output data set, allowing plotting or parameter estimation for theoretical semivariograms or covariance models. Both isotropic and anisotropic measures are available. You can then use the KRIGE2D procedure for spatial prediction.
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