Hello everone,
Anyone who knows how to force a cubic smoothing spline to pass
through a particular point?
I found on website someone said that we can use "cobs package" to
force the spline pass through certain points or impose shape
constraints (increasing, decreasing). However, this package is using B-spline
and can only do linear and quadratic B-spline.
In my research, I need to force a cubic smoothing spline to pass a
point.
Thanks!
Victor
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