Data on a random sample of 100 births for babies in North Carolina where the mother was not a smoker and another 50 where the mother was a smoker.
Format
A data frame with 150 observations on the following 14 variables.
- f_age
Father's age.
- m_age
Mother's age.
- weeks
Weeks at which the mother gave birth.
- premature
Indicates whether the baby was premature or not.
- visits
Number of hospital visits.
- gained
Weight gained by mother.
- weight
Birth weight of the baby.
- sex_baby
Gender of the baby.
- smoke
Whether or not the mother was a smoker.
Examples
library(ggplot2)
ggplot(births, aes(x = smoke, y = weight)) +
geom_boxplot()
