Re: [R] Non-monotonic spline using splinefun(method = "monoH.FC")

2010-02-15 Thread Tim Heaton
ection). Tim David Winsemius wrote: > > On Feb 15, 2010, at 10:59 AM, Tim Heaton wrote: > >> Hi, >> >> In my version of R, the stats package splinefun code for fitting a >> Fritsch and Carlson monotonic spline does not appear to guarantee a >> monotonic result. If

[R] Non-monotonic spline using splinefun(method = "monoH.FC")

2010-02-15 Thread Tim Heaton
Hi, In my version of R, the stats package splinefun code for fitting a Fritsch and Carlson monotonic spline does not appear to guarantee a monotonic result. If two adjoining sections both have over/undershoot the way the resulting adjustment of alpha and beta is performed can give modified values