catdata (version 1.0)

birth: Birth

Description

The birth data contains information about birth and pregnancy of 500 children that were born alive in the time from 1990 to 2004. The data was collected among francophone mothers in different forums of the internet.

Usage

data(birth)

encoding

UTF-8

source

see Boulesteix (2006), Maximally selected chi-squared statistics for ordinal variables, Biometrical Journal, 48, 451--462.

Examples

##example of analysis:
# data(birth)
# summary(birth)