[R] Piecewise Linear Regression
Abhyuday Mandal
amandal at isye.gatech.edu
Tue May 31 01:38:58 CEST 2005
Hi,
I need to fit a piecewise linear regression.
x = c(6.25,6.25,12.50,12.50,18.75,25.00,25.00,25.00,31.25,31.25,37.50,37.50,50.00,50.00,62.50,62.50,75.00,75.00,75.00,100.00,100.00)
y = c(0.328,0.395,0.321,0.239,0.282,0.230,0.273,0.347,0.211,0.210,0.259,0.186,0.301,0.270,0.252,0.247,0.277,0.229,0.225,0.168,0.202)
there are two change points. so the fitted curve should look like
\
\ /\
\/ \
\
\
How do I do this in R ?
Thank you,
Abhyuday
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