menarche {MASS}  R Documentation 
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.
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
ArandaOrdaz, F.J. (1981)
On two families of transformations to additivity for binary response data.
Biometrika 68, 357–363.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
Examples
mprob < glm(cbind(Menarche, Total  Menarche) ~ Age,
binomial(link = probit), data = menarche)
[Package MASS version 7.360.2 Index]