R: Reading Glasses Data

glasses {gamlss.data} | R Documentation

## Reading Glasses Data

### Description

The Blue Mountains Eye Study.

### Usage

    data("glasses")

### Format

A data frame with 1016 observations on the following 3 variables.

`age`

  The age of the participants in the Blue Mountains Eye Study

`sex`

  the gender of the participants, a factor with levels `1`=‘male’ `2`=‘female’.

`ageread`

  the age in which reading glasses were required.

### References

Attebo, Karin, Paul Mitchell, and Wayne Smith (1996). "Visual acuity and the causes of visual loss in Australia: the Blue Mountains Eye Study." Ophthalmology 103.3:pp 357-364.

### Examples

    data(glasses)
    plot(ageread~sex, data=glasses)

[Package gamlss.data version 5.1-0 Index]