marks {ggm}R Documentation

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. & Bibby, (1979). Multivariate analysis. London: Academic Press.

References

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

Examples

data(marks)
pairs(marks)

[Package ggm version 1.0.2 Index]