Description

A student newspaper conducted a survey of student opinions about the Vietnam War in May 1967. Responses were classified by sex, year in the program and one of four opinions. The survey was voluntary.

Usage

Format

A data frame with 40 observations on the following 4 variables.

y

the count

policy

a factor with levels A (defeat power of North Vietnam by widespread bombing and land invasion) B (follow the present policy) C (withdraw troops to strong points and open negotiations on elections involving the Viet Cong) D (immediate withdrawal of all U.S. troops)

sex

a factor with levels Female Male

year

a factor with levels Fresh Grad Junior Senior Soph

Source

M. Aitkin and D. Anderson and B. Francis and J. Hinde (1989) "Statistical Modelling in GLIM" Oxford University Press.