[R] Smooth monotone estimation on R

[Kjetil Halvorsen]

help.search()
on my machine turns up only:

mono.con(mgcv)          Monotonicity constraints for a cubic
                        regression spline.

smooth.monotone(fda)    Monotone Smoothing of Data
pmreg(ftnonpar)         Piecewise monotone regression with taut
                        strings
backSpline(splines)     Monotone Inverse Spline
isoreg(stats)           Isotonic / Monotone Regression

so you should find something of use in packages mgvc, fda, ftnonpar, splines
or stats (.loaded by default)

Kjetil Halvorsen


Assaf P Oron wrote:

>Hi all,
>
>I'm looking for smooth monotone estimation packages, preferably using splines.
>
>I downloaded the 'cobs' package and intend to use it, but since it offers only quadratic splines based on L1 minimization, I'd like to compare its performance to that of a more 'mainstream' cubic-spline, L2-norm minimizing spline. Preferably a smoothing spline.
>
>Does anyone know of such code existing anywhere? Or another smooth monotone alternative?
>
>Thanks in advance,
>
>Assaf Oron
>Statistics Department
>University of Washington
>
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