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SMIR (version 0.02)

toxoplas: Toxoplasmosis in El Salvador

Description

The file shows the number of men tested and the number with a positive test for toxoplasmosis in 34 cities in El Slavador, together with the annual rainfall in metres.

Usage

data(toxoplas)

Arguments

Format

A data.frame of 34 obs. of 3 variables:
[,1] y
integer, number of men with a positive test [,2]
n integer, number of men tested
[,3] x
numeric, annual rainfall in metres, [,1]

Source

Efron, B., (1986), Double exponential families and their use in generalized linear regression, J Amer Statist Assoc, 81, 709--721.