a variant on typical least squares regression wherein a regression line containing many varying lines is fitted to the information. The multitude of pieces are, typically, of various slopes and meet at nodal points in effort to form a continuous line.

PIECEWISE REGRESSION: "Who here can explain to the class what piecewise regression is?"
Cite this page: N., Pam M.S., "PIECEWISE REGRESSION," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/piecewise-regression/ (accessed April 18, 2021).