[R] Kernel smoothing

[Gareth Ridall]

I have been attempting to use  Bowman & Azzalini kernel smoothing routines 
from the SM library to sketch  confidence intervals for serially correlated 
longitudinal data. The rm procedure does not seem allow for cases  where  
the variance is increasing with time. The envelope in this case is drawn 
with a constant width. Are there any macros around for smoothing that do 
this or have I missed something?


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