MASS (version 7.3-51.5)

menarche: Age of Menarche in Warsaw

Description

Proportions of female children at various ages during adolescence who have reached menarche.

Usage

menarche

Format

This data frame contains the following columns:

Age

Average age of the group. (The groups are reasonably age homogeneous.)

Total

Total number of children in the group.

Menarche

Number who have reached menarche.

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

Examples

# NOT RUN {
mprob <- glm(cbind(Menarche, Total - Menarche) ~ Age,
             binomial(link = probit), data = menarche)
# }