beetle {SMPracticals}

Japanese beetle data

Description

Numbers of Japanese beetle larvae per square found in the top foot of soil of an 18 x 8 foot area of a field planted with maize. The columns of the matrix correspond to the direction of cultivation of the field; the maize rows were sown 4 feet apart.

Usage

data(beetle)

Format

The format is: num [1:18, 1:8] 0 2 3 1 5 3 5 3 2 3 ...

Source

Unpublished lecture notes, Imperial College, London

Examples

data(beetle)