EX9.BIRTHWEIGHT {regclass}R Documentation

Birthweight dataset for Exercise 1 in Chapter 9

Description

Birthweight dataset for Exercise 1 in Chapter 9

Usage

data("EX9.BIRTHWEIGHT")

Format

A data frame with 553 observations on the following 13 variables.

Birthweight

a numeric vector, grams

Gestation

a numeric vector, weeks

MotherRace

a factor with levels Asian Black Mexican Mixed White, self-reported

MotherAge

a numeric vector, self-reported

MotherEducation

a factor with levels below HS College HS, self-reported

MotherHeight

a numeric vector, inches

MotherWeight

a numeric vector, pounds

FatherRace

a factor with levels Asian Black Mexican Mixed White, self-reported

FatherAge

a numeric vector, self-reported

Father_Education

a factor with levels below HS College HS, self-reported

FatherHeight

a numeric vector, inches

FatherWeight

a numeric vector, pounds

Smoking

a factor with levels never now, self-reported

Details

An examination of birthweights and their link to gestation, mother and father characteristics, and whether the mother smoked during pregnancy.

Source

Adapted from a subset of a study from Nolan and Speed (2000) consisting of male, single births which survived for at least 28 days. Some rows that contained bad data have been omitted. http://had.co.nz/stat645/week-05/birthweight.txt


[Package regclass version 1.6 Index]