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spline interpolation - [spatial statistics (use for geostatistics)] An interpolation method in which cell values are estimated using a mathematical function that minimizes overall surface curvature, resulting in a smooth surface that passes exactly through the input points.
[Category=Geospatial ]
Source: esri, 28 August 2012 09:24:55, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation
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