babyboom {UsingR}

Babyboom: data for 44 babies born in one 24-hour period.

Description

The babyboom dataset contains the time of birth, sex, and birth weight for 44 babies born in one 24-hour period at a hospital in Brisbane, Australia.

Usage

data(babyboom)

Format

A data frame with 44 observations on the following 4 variables.

clock.time

Time on clock

gender

a factor with levels girl boy

wt

weight in grams of child

running.time

minutes after midnight of birth

Source

This data set was submitted to the Journal of Statistical Education, https://www.amstat.org/publications/jse/secure/v7n3/datasets.dunn.cfm (now off-line), by Peter K. Dunn.

Examples

data(babyboom)
hist(babyboom$wt)
hist(diff(babyboom$running.time))