INTERPOLATE spline fit (or my suggested LOESS) fit to desired values
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JMP long ago wrote a White Paper on the procedural steps to go thru to produce interpolations (at the X's I DESIRE/NEED) from a spline fit. Works fine. As with Excel files, you keep opening and et cetera, so you don't have to create from scratch the formulas and so on. Every time though it's still a bit tedious. The rows adding / the columns creation / whole new data table too and so on. So even with an already done set of formulas, still tedious. I'd like to see JMP have a formula or "red triangle" that says "USE THE SPLINE TO INTERPOLATE / ESTIMATE VALUES BASED ON THE SPLINE FOR THE VALUES IN THIS ______ COLUMN" and the red triangle would have a dialog to simply ask you for which column of X's are the spline "responses" to be interpolated. Once JMP has LOESS regression (per my suggestion), DITTO there. LOESS interpolate with a red triangle to pop up the dialog, for which column of X values do I want LOESS-Interpolated response estimates. For the motivation, see my LOESS suggestion. It's in the realm of metrological statistics. Fully rigorous, but not fancy for the sake of it. And a FULLY PRACTICAL NEED. A NEED unfulfilled (the LOESS) and fulfilled only with a big rigamaroll (interpolation of spline via the White Paper involved procedures).