marks {ggm}

Mathematics marks

Description

Examination marks of 88 students in five subjects.

Usage

data(marks)

Format

A data frame with 88 observations on the following 5 variables.

mechanics

a numeric vector, mark in Mechanics

vectors

a numeric vector, mark in Vectors

algebra

a numeric vector, mark in Algebra

analysis

a numeric vector, mark in Analysis

statistics

a numeric vector, mark in Statistics

Details

Mechanics and Vectors were closed book examinations. Algebra, Analysis and Statistics were open book examinations.

Source

Mardia, K.V., Kent, J.T. and Bibby, (1979). Multivariate analysis. London: Academic Press.

References

Whittaker, J. (1990). Graphical models in applied multivariate statistics. Chichester: Wiley.

Examples

data(marks)
pairs(marks)