I have an XYZ plot (x=0-78000, y=0-78000, 10.1k points) ranging from -10 to around -3.35. I need to fit a line to the points that are above -3.4. Is that possible with dplot?
The closest I could find is in Generate>XY plot from 3D surface or Generate>Best Fit Plane, but what i really need is an X=f(Y) or Y=f(X) line that follows the best fit curve of the 3D data.
Thanks for the help!
Fitting a line to an XYS surface
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No, sorry, there is no way to do that. In the general case I can't see how this could (or at least should) be done, as those points could be all over the surface with no obvious line.
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