[R] constraining initial slope in smoother.spline

From: Bill Shipley <bill.shipley_at_usherbrooke.ca>
Date: Wed 02 Mar 2005 - 03:47:00 EST

Hello. I want to fit a smoother spline (or an equivalent local regression method) to a series of data in which the initial value of the 1st derivative (slope) is constrained to a specific value. Is it possible to do this? If so, how?  

Bill Shipley  

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