R Dataset / Package wooldridge / bwght2

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-14801.csv 130.63 KB
Documentation

bwght2

Description

Data loads lazily. Type data(bwght2) into the console.

Usage

data(bwght2)

Format

A data.frame with 1832 rows and 23 variables:

  • mage. mother's age, years

  • meduc. mother's educ, years

  • monpre. month prenatal care began

  • npvis. total number of prenatal visits

  • fage. father's age, years

  • feduc. father's educ, years

  • bwght. birth weight, grams

  • omaps. one minute apgar score

  • fmaps. five minute apgar score

  • cigs. avg cigarettes per day

  • drink. avg drinks per week

  • lbw. =1 if bwght <= 2000

  • vlbw. =1 if bwght <= 1500

  • male. =1 if baby male

  • mwhte. =1 if mother white

  • mblck. =1 if mother black

  • moth. =1 if mother is other

  • fwhte. =1 if father white

  • fblck. =1 if father black

  • foth. =1 if father is other

  • lbwght. log(bwght)

  • magesq. mage^2

  • npvissq. npvis^2

Source

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

Examples

 str(bwght2)
--

Dataset imported from https://www.r-project.org.

Documentation License
GNU General Public License v2.0

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