R Dataset / Package MASS / menarche

Documentation

On this Picostat.com statistics page, you will find information about the menarche data set which pertains to Age of Menarche in Warsaw. The menarche data set is found in the MASS R package. You can load the menarche data set in R by issuing the following command at the console data("menarche"). This will load the data into a variable called menarche. If R says the menarche data set is not found, you can try installing the package by issuing this command install.packages("MASS") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the menarche R data set. The size of this file is about 342 bytes.


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.

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Attachment Size
dataset-17104.csv 342 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0