Birthweight dataset for Exercise 1 in Chapter 9
data("EX9.BIRTHWEIGHT")
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
An examination of birthweights and their link to gestation, mother and father characteristics, and whether the mother smoked during pregnancy.