[R] non-decreasing smoother

Simon Wood snw at mcs.st-and.ac.uk
Thu Mar 28 11:04:34 CET 2002

> Is there a simple way of fitting a 'smooth curve' to a time series with
> the additional constraint that the first derivative be not negative? 

- there's an example provided in the help file for pcls() in library mgcv
that does this. 

> Simon Wood  snw at st-and.ac.uk  http://www.ruwpa.st-and.ac.uk/simon.html
> The Mathematical Institute, North Haugh, St. Andrews, Fife KY16 9SS UK
> Direct telephone: (0)1334 463799          Indirect fax: (0)1334 463748 

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