The Iris data set is Fisher’s iris data (Fisher 1936). Sepal and petal size were measured for 50 specimens from each of three species of iris. There is one observation per specimen.
The following list describes each variable.
sepallensepal length, in millimeters
sepalwidsepal width, in millimeters
petallenpetal length, in millimeters
petalwidpetal width, in millimeters
speciesspecies of iris