Fisher's Iris Data
SUMMARY:
Array giving 4 measurements on 50 flowers from each of 3 species of iris. Sepal length and width, and petal length and width are measured in centimeters. Species are Setosa, Versicolor, and Virginica.
SOURCE:
R. A. Fisher, "The Use of Multiple Measurements in Taxonomic Problems", Annals of Eugenics, 7, Part II, 1936, pp. 179-188. Republished by permission of Cambridge University Press.

The data were collected by Edgar Anderson, "The irises of the Gaspe Peninsula", Bulletin of the American Iris Society, 59, 1935, pp. 2-5.