Data on income and food expenditure for 235 working class households in 1857 Belgium.
Number of observations: 235 Number of variables: 2 Variable name definitions: income - annual household income (Belgian francs) foodexp - annual household food expenditure (Belgian francs)
This dataset was used in Koenker and Bassett (1982) and distributed alongside the quantreg package for R.
Koenker, R. and Bassett, G (1982) Robust Tests of Heteroscedasticity based on Regression Quantiles; Econometrica 50, 43-61.
Roger Koenker (2012). quantreg: Quantile Regression. R package version 4.94. http://CRAN.R-project.org/package=quantreg
This is public domain.