R Dataset / Package MASS / menarche

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-17104.csv 342 bytes
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
Aranda-Ordaz, 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)
--

Dataset imported from https://www.r-project.org.

Documentation License
GNU General Public License v2.0

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