Interpolation Methods - Step

This step is available when one of the following interviews is selected: Interpolate my data, Draw a probability map, Draw an area of concern map, Calculate cost versus cleanup, Draw a contoured risk map, Draw a contoured eco dose map, and sometimes Develop a sample design.

Select Interpolation methods from the Steps Window. The following information is displayed in the Parameters Window.

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Select the appropriate interpolation method from the list. There are five interpolation methods in SADA: Nearest neighbor, Natural Neighbor, Inverse Distance, Ordinary Kriging, and Indicator Kriging.

Note: for pooled data analyses, SADA uses the interpolant associated with the individual contaminants for contouring.