beetle: The Beetle Data

In PP3: Three-Dimensional Exploratory Projection Pursuit

Description

The Lubischew flea beetle data consisting of six observations measured on 74 flea beetles on three species. The rows dimnames attribute contains the species id.

Usage

data(beetle)

Format

A 74x6 data matrix.

Source

Lubischew, A.A. (1962) On the use of discriminant functions in taxonomy. Biometrics, 18, 455-477.

References

Lubischew, A.A. (1962) On the use of discriminant functions in taxonomy. Biometrics, 18, 455-477.

Examples

data(beetle)
#
# Here is the sample mean of this multivariate data set
#
apply(beetle, 2, mean)
# [1] 177.25676 123.95946  50.35135 134.81081  12.98649  95.37838

Example output

[1] 177.25676 123.95946  50.35135 134.81081  12.98649  95.37838

PP3 documentation built on May 2, 2019, 8:57 a.m.