Data set contains weekly wages in 1987 for a sample of 25,632 males between the age of 18 and 70 who worked full-time along with their years of education, years of experience, indicator variable for whether they were black, indicator variable for whether they worked in or near a city, and a code for the region in the US where they worked.
ex1029A data frame with 25631 observations on the following 6 variables.
Wageweekly wage in dollars
Educationeducation in years
Experienceexperience in years
Blacka factor with levels "Yes" and
"No"; indicator for whether the person is black
SMSAa factor with levels "Yes" and
"No"; indicator for whether the person worked in or near a city
Regiona factor with levels "MW", "NE",
"S" and "W"
Bierens, H.J. and Ginther, D.K. (2001). Integrated Conditional Moment Testing of Quantile Regression Models, Empirical Economics 26(1): 307--324
http://econ.la.psu.edu/~hbierens/QUANTILE.PDF
http://econ.la.psu.edu/~hbierens/MEDIAN.HTM