UsingR: babyboom – R documentation

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babyboom

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, http://www.amstat.org/publications/jse/secure/v7n3/datasets.dunn.cfm, by Peter K. Dunn.

Examples

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

UsingR

Data Sets, Etc. for the Text "Using R for Introductory Statistics", Second Edition

v2.0-6

GPL (>= 2)

Authors

John Verzani <verzani@math.csi.cuny.edu>

Initial release