slp75_81

Description

Wooldridge Source: See SLEEP75.RAW Data loads lazily.

Usage

data('slp75_81')

Format

A data.frame with 239 observations on 20 variables:

• age75: age in 1975

• educ75: years educ in '75

• educ81: years educ in '81

• gdhlth75: = 1 if good hlth in '75

• gdhlth81: =1 if good hlth in '81

• male: =1 if male

• marr75: = 1 if married in '75

• marr81: =1 if married in '81

• slpnap75: mins slp wk, inc naps, '75

• slpnap81: mins slp wk, inc naps, '81

• totwrk75: minutes worked per week, '75

• totwrk81: minutes worked per week, '81

• yngkid75: = 1 if child < 3, '75

• yngkid81: =1 if child < 3, '81

• ceduc: change in educ

• cgdhlth: change in gdhlth

• cmarr: change in marr

• cslpnap: change in slpnap

• ctotwrk: change in totwrk

• cyngkid: change in yngkid

Used in Text

pages 463-464

Source

https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041

Examples

 str(slp75_81)