[R] kernel smoothing

[Liaw, Andy]

Smoothing CDF or survival functions are not quite the same as usual
scatterplot smoothing, at least because of the monotonicity contraint.  I
don't know of kernel methods for smoothing such functions, but I believe
people have used splines.  I'm no expert though.  It's best for you to
consult an expert or search the literature.

Andy

> From: Zhu, Chao (UMC-Student)
> 
> Dear all,
>  
> I want to use kernel estimator to smooth some step funtions 
> such as the empirical distribution and hazard function in 
> survival analysis. Is there a function or package to deal 
> with it in R? 
> How do I use it?
>  
> Thanks for your help.
>  
> Jimmy
> 
>