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bacground
2006 Feb 27
3
how to use the basis matrix of "ns" in R? really confused by multi-dim spline filtering?
Hi all,
Could anybody recommend some easy-to-understand and example based
notes/tutorials on how to use cubic splines to do filtering on
multi-dimension data?
I am confused by the 1-dimensional case, and more confused by
multi-dimensional case.
I found all the books suddenly become very abstract when it comes to this
subject.
They don't provide examples in R or Splus at all.
Specifically,