econmath: econmath

In wooldridge: 115 Data Sets from "Introductory Econometrics: A Modern Approach, 7e" by Jeffrey M. Wooldridge

Description

Wooldridge Source: Compiled by Professor Charles Ballard, Michigan State University Department of Economics. Professor Ballard kindly provided the data. Data loads lazily.

Usage

data('econmath')

Format

A data.frame with 856 observations on 17 variables:

• age: age in years

• work: hours worked per week

• study: hours studying per week

• econhs: =1 if economics in high school

• colgpa: college GPA, beginning semester

• hsgpa: high school GPA

• acteng: ACT English score

• actmth: ACT math score

• act: ACT composite

• mathscr: math quiz score, 0-10

• male: =1 if male

• calculus: =1 if taken calculus course

• attexc: =1 if past attndce 'excellent'

• attgood: =1 if past attndce 'good'

• fathcoll: =1 if father has BA

• mothcoll: =1 if mother has BA

• score: course score, in percent

Used in Text

167, 185

Source

http://www.cengage.com/c/introductory-econometrics-a-modern-approach-6e-wooldridge

Examples

 str(econmath)

Example output

'data.frame':	856 obs. of  17 variables:
 $ age     : int  23 23 21 22 22 22 22 22 22 21 ...
 $ work    : num  15 0 25 30 25 0 20 20 28 22.5 ...
 $ study   : num  10 22.5 12 40 15 30 25 15 7 25 ...
 $ econhs  : int  0 1 0 0 1 0 1 0 0 0 ...
 $ colgpa  : num  3.49 2.1 3.09 2.68 3.75 ...
 $ hsgpa   : num  3.35 3.22 3.31 3.98 3.89 ...
 $ acteng  : int  24 23 21 31 28 25 15 28 28 18 ...
 $ actmth  : int  26 20 24 28 31 30 19 30 28 19 ...
 $ act     : int  27 24 21 31 32 28 18 32 30 17 ...
 $ mathscr : int  10 9 8 10 8 10 9 9 6 9 ...
 $ male    : int  1 1 1 0 1 1 0 1 0 0 ...
 $ calculus: int  1 0 1 1 1 1 1 1 0 1 ...
 $ attexc  : int  0 0 1 0 0 1 0 1 1 0 ...
 $ attgood : int  0 0 0 1 1 0 1 0 0 1 ...
 $ fathcoll: int  1 0 0 1 0 0 0 1 0 0 ...
 $ mothcoll: int  1 1 1 1 1 1 0 1 1 0 ...
 $ score   : num  84.4 57.4 66.4 81.2 95.9 ...

wooldridge documentation built on Nov. 8, 2021, 9:07 a.m.