[R] Function tsmooth

From: JIZ JIZ <owenji81_at_hotmail.com>
Date: Tue, 29 May 2007 18:51:57 +0800


Hi,

Assume that we may model the Nottingham temperature data (nottem) or Sunspot data (sunspot) set by a nonparametric autoregressive model of the form

                               Yt = m(Yt-1) + et.

Using the kernel estimation method, produce the resulting plots. We may use the fucntion
tsmooth(x,y,"notmal",bandwidth=0.01).

How can i define x and y using data nottem and sunspot?

Thanks a lot!
Owen



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