flea {fsdaR}

Flea

Description

Flea-beetle measurements

Usage

data(flea)

Format

A data frame with 74 rows and 7 variables: six explanatory and one response variable - species. The variables are as follows:

• 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

References

A. A. Lubischew (1962), On the Use of Discriminant Functions in Taxonomy, Biometrics, 184 pp.455–477.

Examples

 data(flea)
 head(flea)