| 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.
Birthweighta numeric vector, grams
Gestationa numeric vector, weeks
MotherRacea factor with levels
AsianBlackMexicanMixedWhite, self-reportedMotherAgea numeric vector, self-reported
MotherEducationa factor with levels
below HSCollegeHS, self-reportedMotherHeighta numeric vector, inches
MotherWeighta numeric vector, pounds
FatherRacea factor with levels
AsianBlackMexicanMixedWhite, self-reportedFatherAgea numeric vector, self-reported
Father_Educationa factor with levels
below HSCollegeHS, self-reportedFatherHeighta numeric vector, inches
FatherWeighta numeric vector, pounds
Smokinga factor with levels
nevernow, 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