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-reportedMotherAge
a numeric vector, self-reported
MotherEducation
a factor with levels
below HS
College
HS
, self-reportedMotherHeight
a numeric vector, inches
MotherWeight
a numeric vector, pounds
FatherRace
a factor with levels
Asian
Black
Mexican
Mixed
White
, self-reportedFatherAge
a numeric vector, self-reported
Father_Education
a factor with levels
below HS
College
HS
, self-reportedFatherHeight
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