Iris dataset

The iris dataset contains 3 different species of iris flowers. It is typically
used to illustrate two concepts.

- Classification: Predict variety based on sepal/petal sizes
- Clustering: Find the three clusters without looking at the variety

Schema
-----
- sepal_length: float
- sepal_width:  float
- petal_length: float
- petal_width: float
- variety : string

References
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FISHER, Ronald A. The use of multiple measurements in taxonomic problems.
Annals of eugenics, 1936, 7.2: 179-188.

Dua, D. and Graff, C. (2019).
UCI Machine Learning Repository [http://archive.ics.uci.edu/ml].
Irvine, CA: University of California,
chool of Information and Computer Science.

