R: Mathematics marks

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. 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)

[Package ggm version 2.3 Index]