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Greetings,

I'm performing research that will help determine the size of observed space and the time elapsed since the big bang. Hopefully you can help!

I have data conforming to a piecewise linear function on which I want to perform two linear regressions. There is a point at which the slope and intercept change, and I need to (write a program to) find this point.

Thoughts?

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    see cross posted question: http://stats.stackexchange.com/questions/5700/finding-the-change-point-in-data-from-a-piecewise-linear-function2010-12-23
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    See : https://fr.scribd.com/document/380941024/Regression-par-morceaux-Piecewise-Regression-pdf2018-06-08

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