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lowess curves

DJKeenan 442
August 17 2007
4
Statistics:-ScatterPlot provides a mechanism to plot a lowess curve, and the implementation seems to be flexible and convenient. There is, though, a problem with using ScatterPlot. ScatterPlot only plots the curve. I would like to be able to do computations with the curve; for example, I would like to compute the sum of squared residuals. So I suggest that Statistics[DataSmoothing] include a separate procedure for generating a lowess curve (the same curve that ScatterPlot plots). Note: I have posted about using lowess before.
example plot

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