Description

Four measurements on each of fifty flowers of two species of iris (Versicolor and Virginica) – A classification dataset. Fisher's original dataset contained a third species (Setosa) which is trivially seperable.

Usage

Format

Data frame with species, petal.wid, petal.len, sepal.wid, sepal.len.

Source

Fisher (1936). Reproduced in Andrews and Herzberg (1985) Chapter 1.

References

Andrews, D. F. and Herzberg, A. M. (1985). Data. Springer-Verlag.

Fisher, R. A. (1936). The Use of Multiple Measurements in Taxonomic Problems. Annals of Eugenics 7, Part II. 179-188.