Piecewise Linear Regression. In Example 7.3 we showed how a linear regression model with a change in
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Piecewise Linear Regression. In Example 7.3
we showed how a linear regression model with a change in slope at some point $t\left(x_{\min }
Example 7.3
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An important special case of practical interest involves fitting piecewise linear regression models. This can be treated easily using linear splines. For example, suppose that there is a single knot at t and that there could be both a slope change and a discontinuity at the knot. The resulting linear spline model is E(y)=S(x)= Boo+Box+ B10(x-1) + B(x-1) Now if x t, the model is - E(y) Boo+Box+10 (1)+ B11(x-1) =(Boo+Bio-Bit)+(Bon + B11)
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Related Book For
Introduction To Linear Regression Analysis
ISBN: 9781119578727
6th Edition
Authors: Douglas C. Montgomery, Elizabeth A. Peck, G. Geoffrey Vining
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