A regression example with response cloud point of a liquid and predictor the percent of Iodine 8 added to the liquid; see Chapter 3 of Hettmansperger and McKean (2011) or Exercise 4.9.10 of Kloke and McKean (2014).
Nineteen observations on two variables.
Cloud point of the liquid
Percent Iodine 8 added
Hettmansperger, T.P. and McKean J.W. (2011), Robust Nonparametric Statistical Methods, 2nd ed., New York: Chapman-Hall.
Kloke, J. and McKean, J.W. (2014), Nonparametric statistical methods using R, Boca Raton, FL: Chapman-Hall.