slp75_81: slp75_81

Description Usage Format Used in Text Source Examples

Description

Wooldridge Source: See SLEEP75.RAW Data loads lazily.

Usage

1
data('slp75_81')

Format

A data.frame with 239 observations on 20 variables:

Used in Text

pages 463-464

Source

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

Examples

1

Example output

'data.frame':	239 obs. of  20 variables:
 $ age75   : int  46 39 55 39 54 32 30 27 33 51 ...
 $ educ75  : int  16 16 15 16 17 16 16 16 17 14 ...
 $ educ81  : int  16 16 15 16 17 16 16 16 19 14 ...
 $ gdhlth75: int  1 1 1 1 1 1 1 0 1 1 ...
 $ gdhlth81: int  1 1 0 1 1 1 1 1 1 1 ...
 $ male    : int  1 1 1 1 1 1 1 1 0 0 ...
 $ marr75  : int  0 1 1 1 1 1 1 0 1 1 ...
 $ marr81  : int  1 0 1 1 1 1 1 0 1 1 ...
 $ slpnap75: int  3991 2243 3285 3158 3743 3680 3778 3390 3298 3601 ...
 $ slpnap81: int  4695 2195 3115 3387 3800 3320 3067 3910 3172 3634 ...
 $ totwrk75: int  2050 2713 2493 2778 3118 2348 1571 3421 1853 0 ...
 $ totwrk81: int  2430 2610 0 1787 552 2567 2272 400 2617 1312 ...
 $ yngkid75: int  0 0 0 0 0 1 1 0 1 0 ...
 $ yngkid81: int  0 0 0 0 0 0 0 0 0 0 ...
 $ ceduc   : int  0 0 0 0 0 0 0 0 2 0 ...
 $ cgdhlth : int  0 0 -1 0 0 0 0 1 0 0 ...
 $ cmarr   : int  1 -1 0 0 0 0 0 0 0 0 ...
 $ cslpnap : int  704 -48 -170 229 57 -360 -711 520 -126 33 ...
 $ ctotwrk : int  380 -103 -2493 -991 -2566 219 701 -3021 764 1312 ...
 $ cyngkid : int  0 0 0 0 0 -1 -1 0 -1 0 ...
 - attr(*, "time.stamp")= chr "25 Jun 2011 23:03"

wooldridge documentation built on June 24, 2021, 9:07 a.m.