fleabeetles {DPpackage} | R Documentation |
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
Source
Lubischew, A. A. (1962) On the Use of Discriminant Functions in Taxonomy,
Biometrics, 18: 455-477.
References
MacEachern, S.N., and Muller, P. (1998) Estimating Mixture of Dirichlet Process Models,
Journal of Computational and Graphical Statistics, 7: 223-238.
Examples
data(fleabeetles)
## maybe str(fleabeetles) ; plot(fleabeetles) ...
[Package
DPpackage version 1.0-7
Index]