| trade.union {SemiPar} | R Documentation |
Trade union data
Description
The trade.union data frame has data on 534 U.S. workers.
Usage
data(trade.union)Format
This data frame contains the following columns:
- years.educ
number of years of education.
- south
indicator of living in southern region of U.S.A.
- female
gender indicator: 0=male,1=female.
- years.experience
number of years of work experience
- union.member
indicator of trade union membership: 0=non-member, 1=member.
- wage
wages in dollars per hour.
- age
age in years.
- race
1=black, 2=Hispanic, 3=white.
- occupation
1=management, 2=sales, 3=clerical, 4=service, 5=professional, 6=other.
- sector
0=other, 1=manufacturing, 2=construction.
- married
indicator of being married: 0=unmarried, 1=married.
Source
Berndt, E.R. (1991) The Practice of Econometrics. New York: Addison-Wesley.
References
Ruppert, D., Wand, M.P. and Carroll, R.J. (2003)
Semiparametric Regression Cambridge University Press.
http://stat.tamu.edu/~carroll/semiregbook/
Examples
library(SemiPar)
data(trade.union)
pairs(trade.union,pch=".")