Drawing a straight line to a linear part of curve

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KB
KB il 3 Ott 2015
Risposto: dpb il 1 Nov 2015
Hello All, it would be very helpful if someone can help me out with drawing a straight line to the linear part of the curve in attached figure. I want to know the intercept value to the x-axis.

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dpb
dpb il 1 Nov 2015
Looks like piecewise regression to the rescue again...it has been the subject of some of my previous postings, one quite recent...
find-diverging-point-of-two-arrays
Having solved for the breakpoint, you'll also have the coefficients of the two line segments which can be readily used individually.

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