DPpackage (version 1.1-7.4)

fleabeetles: Flea-beetles

Description

This data set consider physical information of 74 male flea-beetles reported by Lubischew (1962). Information of three species (Ch. concinna, Ch. heptapotamica, and Ch. heikertingeri) is considered and 6 measurements on each flea-beetles.

Usage

data(fleabeetles)

Format

A data frame with 74 observations on the following 7 variables.

fjft

a numeric vector giving the width of the first joint of the first tarsus in microns (the sum of measurements for both tarsi)

sjft

a numeric vector giving the width of the second joint of the first tarsus in microns (the sum of measurements for both tarsi)

mwhbee

a numeric vector giving the maximal width of the head between the external edges of the eyes in 0.01 mm

mwafp

a numeric vector giving the maximal width of the aedeagus in the fore-part in microns

faa

a numeric vector giving the front angle of the aedeagus (1 unit = 7.5 degrees)

awfs

a numeric vector giving the aedeagus width from the side in microns

species

a numeric vector giving the species: 1=Ch. concinna, 2= Ch. heptapotamica, and 3=Ch. heikertingeri

References

MacEachern, S.N., and Muller, P. (1998) Estimating Mixture of Dirichlet Process Models, Journal of Computational and Graphical Statistics, 7: 223-238.

Examples

# NOT RUN {
data(fleabeetles)
## maybe str(fleabeetles) ; plot(fleabeetles) ...
# }