toxo {GLMsData}

Toxoplasmosis and rainfall

Description

The proportion of people sampled in 34 cities in El Salvador who tested positive for toxoplasmosis.

Usage

data(toxo)

Format

A data frame with 34 observations on the following 5 variables.

City

the city from which the data comes; a numeric vector

Rainfall

the recorded rainfall in millimetres at each city, presumably annual; a numeric vector

Proportion

the proportion of those sampled who tested positive to toxoplasmosis; a numeric vector

Sampled

the number of people sampled in each city; a numeric vector of integers

Positive

the number of people who tested positive to toxoplasmosis; a numeric vector of integers

Details

The subjects are not randomly sampled within city.

Source

Bradley Efron (1986) Double exponential families and their use in generalized linear regression. Journal of the American Statistical Association, 81(395), 709–721.

Examples

data(toxo)
summary(toxo)