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Sample Data Sets

Iris Data

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:

sepallen

sepal length, in millimeters

sepalwid

sepal width, in millimeters

petallen

petal length, in millimeters

petalwid

petal width, in millimeters

species

species of iris

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