GMS:Jackknifing
Jackknifing is a special type of interpolation which can be useful in analyzing a scatter point set or an interpolation scheme. When the Jacknifing command is selected, the active scatter point set is interpolated "to itself" using the currently selected interpolation scheme. Each point in the set is processed one at a time. The point is temporarily removed and the selected interpolation scheme is used to interpolate to the location of the missing point using the remaining points. Ideally, the interpolated value should correspond closely to the original measured value at the point. By interpolating to each point, a new data set is generated for the scatter point set. This new data set can be compared with the original data set using the Summary command in the Interpolation menu. This dialog is shown below.
You can select your original data set and then you can select the data set created from jacknifing. The mean error, mean absolute error, and the root mean squared error are automatically calculated.
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