Fox, et al. (2016) considered an additive non-parametric regression model with the prestige data.
data("Prestige")A data frame with 102 observations on the following 6 variables.
educationaverage education of occupational incumbents, years, in 1971
incomeaverage income of incumbents, dollars, in 1971
womenpercentage of incumbents who are women
prestigePineo-Porter prestige score for occupation, from a social survey conducted in the mid- 1960s
censusCanadian Census occupational code
typea factor for type of occupation with levels bc (Blue Collar), prof (Professional, Managerial and Technical) and wc (White Collar)
Fox, J., Weisberg, S., Adler, D., Bates, D., Baud-Bovy, G., Ellison, S., Firth, D., Friendly, M., Gorjanc, G., Graves, S., Heiberger, R., Monette, G., Murdoch, D., Nilsson, H., Ogle, D., Riply, B., Venables, W., Winsemius, D. and Zeileis, A. (2016). car: Companion to Applied Regression. R package version 2.1-2.