Piecewise linear model

Version 2.1.0 (3 KB) by Satoshi Okazaki
Performs n-segmented linear regression with least squares.
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Updated 20 Feb 2023

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[coef,breakPt,R2] = fitBogartz(x,y,verbose)
performs two-segmented linear regression described in Bogartz (1968).
R. S. Bogartz (1968): "A least squares method for fitting intercepting line segments to a set of data points." Psychol Bull 70(6), 749-755.
[coef,breakPt,R2] = piecewiselm(x,y,n)
performs n-segmented linear regression. This is an extension of two-segmented linear regression described in Bogartz (1968).

Cite As

Satoshi Okazaki (2025). Piecewise linear model (https://www.mathworks.com/matlabcentral/fileexchange/124190-piecewise-linear-model), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2022b
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
2.1.0

piecewiselm.m: display progress
2.0.0

add piecewiselm.m
1.0.0