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Britnee crawford

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University of Texas Arlington

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10 Aug 2011 SLM - Shape Language Modeling Least squares spline modeling using shape primitives Author: John D'Errico

John,

I just sent you an email regarding a question about fitting a piecewise constant curve to an approximately normal distribution. But, I thought I would post the question here as well. I need the pw const curve to have 13 pieces, but I want the knots to be freely spaced, but I noticed in your comments that pw constant curves have trouble with this. Is there any way around it?

If not, is there a way to make the last interior knot to be at the start of the flat part of the distribution (the right tail) and then the other pieces are fit to the central part of the curve where the curve is changing rapidly.

Thank you again for your great contributions! I have used your tools in several parts of my dissertation.

Thank you,
Britnee

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