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6207
2005 Mar 03
1
total variation penalty
Hi,
I was recently plowing through the docs of the quantreg package by Roger
Koenker and came across the total variation penalty approach to
1-dimensional spline fitting. I googled around a bit and have found some
papers originated in the image processing community, but (apart from
Roger's papers) no paper that would discuss its statistical aspects.
I have a couple of questions in this