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SMIR (version 0.02)

byssinosis: Byssinosis in the cotton industry

Description

The dataset contains the number of workers in a survey of the US cotton industry suffering and not suffering from the lung disease byssinosis, together with the values of five cross-classifying categorical explanatory variables: the race, sex and smoking habit of the worker, the length of employment in three categories, and the dustiness of the workplace in three categories.

Usage

data(byssinosis)

Arguments

Format

A data.frame of 72 obs. of 7 variables:
[,1] dust
Factor w/ 3 levels "most","less" [,2]
race Factor w/ 2 levels "white","non-white"
[,3] sex
Factor w/ 2 levels "male","female" [,4]
smok Factor w/ 2 levels "smoker","non"
[,5] emp
Factor w/ 3 levels "<10","10-20",...< td=""> [,6]
yes int, Number of workers who suffered byssinosis

Source

Higgins, J.E. and Koch, G.G. (1977), "Variable selection and generalized chi-square analysis of categorical data to a large cross-sectional occupational health survey", Int. Statist. Rev., 45, 51--62.