wage1 {np}R Documentation

Cross-Sectional Data on Wages

Description

Cross-section wage data consisting of a random sample taken from the U.S. Current Population Survey for the year 1976. There are 526 observations in total. data("wage1") makes available the dataset "wage" plus additional objects "bw.all" and "bw.subset".

Usage

data("wage1")

Format

A data frame with 24 columns, and 526 rows.

Two local-linear rbandwidth objects (`bw.all' and `bw.subset') have been computed for the user's convenience which can be used to visualize this dataset using npplot(bws=bw.all)

wage
column 1, of type numeric, average hourly earnings
educ
column 2, of type numeric, years of education
exper
column 3, of type numeric, years potential experience
tenure
column 4, of type numeric, years with current employer
nonwhite
column 5, of type factor, =“Nonwhite” if nonwhite, “White” otherwise
female
column 6, of type factor, =“Female” if female, “Male” otherwise
married
column 7, of type factor, =“Married” if Married, “Nonmarried” otherwise
numdep
column 8, of type numeric, number of dependents
smsa
column 9, of type numeric, =1 if live in SMSA
northcen
column 10, of type numeric, =1 if live in north central U.S
south
column 11, of type numeric, =1 if live in southern region
west
column 12, of type numeric, =1 if live in western region
construc
column 13, of type numeric, =1 if work in construc. indus.
ndurman
column 14, of type numeric, =1 if in nondur. manuf. indus.
trcommpu
column 15, of type numeric, =1 if in trans, commun, pub ut
trade
column 16, of type numeric, =1 if in wholesale or retail
services
column 17, of type numeric, =1 if in services indus.
profserv
column 18, of type numeric, =1 if in prof. serv. indus.
profocc
column 19, of type numeric, =1 if in profess. occupation
clerocc
column 20, of type numeric, =1 if in clerical occupation
servocc
column 21, of type numeric, =1 if in service occupation
lwage
column 22, of type numeric, log(wage)
expersq
column 23, of type numeric, exper**2
tenursq
column 24, of type numeric, tenure**2

Source

Jeffrey M. Wooldridge

References

Wooldridge, J.~M. (2000), Introductory Econometrics: A Modern Approach, South-Western College Publishing.

Examples

data("wage1")
attach(wage1)
summary(wage1)
detach(wage1)

[Package np version 0.30-3 Index]