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Sample 25607 - Using spline interpolation with PROC G3GRID[ View Code ]
Sample 25606 - Spline interpolation and a smoothed spline using PROC G3GRID and PROC G3D[ View Code ]
Sample 25605 - Using partial spline interpolation with PROC G3GRID[ View Code ]
Sample 25604 - Default G3GRID interpolation method[ View Code ]