Description Usage Format Source References Examples
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.
1 |
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
Lubischew, A. A. (1962) On the Use of Discriminant Functions in Taxonomy, Biometrics, 18: 455-477.
MacEachern, S.N., and Muller, P. (1998) Estimating Mixture of Dirichlet Process Models, Journal of Computational and Graphical Statistics, 7: 223-238.
1 2 | data(fleabeetles)
## maybe str(fleabeetles) ; plot(fleabeetles) ...
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.