Measurements in centimeters of the sepal length and width and petal length and width, respectively, for three species of iris flowers.
A data frame with 150 rows and 5 columns
Fisher, R. A. (1936) The use of multiple measurements in taxonomic problems. Annals of Eugenics, 7, Part II, 179-188.
The data were collected by Anderson, Edgar (1935). The irises of the Gaspe Peninsula, Bulletin of the American Iris Society, 59, 2-5.