This model predicts one out of three Iris species, based on petal length and width and sepal length and width.
The data is taken from The UCI Machine Learning Repository and created by R.A. Fisher.
Fisher,R.A. "The use of multiple measurements in taxonomic problems" Annual Eugenics, 7, Part II, 179-188 (1936); also in "Contributions to Mathematical Statistics" (John Wiley, NY, 1950).