A dataset containing 235 observations on 2 variables
Source
This dataset was used in Koenker and Bassett (1982) and obtained from the quantreg package for R. Citations: Koenker, R. and Bassett, G (1982) Robust Tests of Heteroscedasticity based on Regression Quantiles; Econometrica 50, 43-61.
http://CRAN.R-project.org/package=quantreg