pwiselinterp, an R library which carries out piecewise linear interpolation.
Copyright 2016 James P. Howard, II
The computer code and data files on this web page are distributed under the BSD-2-Clause license.
pwiselinterp is available in an R version.
linterp, an R library which computes the intercept and slope of the line through two points.
Original R code by James Howard; Modifications by John Burkardt.