Flea-measurements: Flea beatle measurements

In tourr: Tour Methods for Multivariate Data Visualisation

Flea beatle measurements

Description

This data is from a paper by A. A. Lubischew, "On the Use of Discriminant Functions in Taxonomy", Biometrics, Dec 1962, pp.455-477. Data is standardized, and original units are in flea_raw.

Usage

flea

Format

A 74 x 7 numeric array

Details

• tars1, width of the first joint of the first tarsus in microns (the sum of measurements for both tarsi)

• tars2, the same for the second joint

• head, the maximal width of the head between the external edges of the eyes in 0.01 mm

• ade1, the maximal width of the aedeagus in the fore-part in microns

• ade2, the front angle of the aedeagus ( 1 unit = 7.5 degrees)

• ade3, the aedeagus width from the side in microns

• species, which species is being examined - concinna, heptapotamica, heikertingeri

Examples

head(flea)
animate_xy(flea[, -7])
animate_xy(flea[, -7], col = flea[, 7])

tourr documentation built on May 29, 2024, 11:22 a.m.