| slp75_81 | R Documentation |
Wooldridge Source: See SLEEP75.RAW Data loads lazily.
data('slp75_81')
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
pages 463-464
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
str(slp75_81)