Age of Menarche data

Arguments

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.

Format

This data frame contains the following columns:

Description

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

Source

Milicer, H. and Szczotka, F. (1966) Age at Menarche in Warsaw girls in 1965. Human Biology 38, 199-203.

The data are also given in Aranda-Ordaz, F.J. (1981) On two families of transformations to additivity for binary response data. Biometrika, 68, 357-363.

Examples

mprob <- glm(cbind(Menarche, Total - Menarche) ~ Age, 
		binomial(link = probit), menarche)


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