menarche {MASS} | R Documentation |
Proportions of female children at various ages during adolescence who have reached menarche.
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. |
This data frame contains the following columns:
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.
data(menarche) mprob <- glm(cbind(Menarche, Total - Menarche) ~ Age, binomial(link = probit), menarche)