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ex1613

Flea Beetle Distinction

Description

Data are the measurements from two very similar species of flea beetle.

Usage

ex1613

Format

A data frame with 36 observations on the following 3 variables.

Jnt1

measurement of first joint in micrometers

Jnt2

measurement of second joint in micrometers

Species

a factor with levels "conc" and "heik"

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Lubischew, A.A. (1962). On the Use of Discriminant Functions in Taxonomy, Biometrics 18: 455–477.

Examples

str(ex1613)
Sleuth2

Data Sets from Ramsey and Schafer's "Statistical Sleuth (2nd Ed)"

v2.0-5
GPL (>= 2)
Authors
Original by F.L. Ramsey and D.W. Schafer; modifications by Daniel W. Schafer, Jeannie Sifneos and Berwin A. Turlach; vignettes contributed by Nicholas Horton, Kate Aloisio and Ruobing Zhang, with corrections by Randall Pruim
Initial release
2019-01-24

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