e-Statistics > Data and Story Library

Fisher Iris data

This is a dataset made famous by Fisher, who used it to illustrate principles of discriminant analysis. It contains 6 variables with 150 observations.


  1. Species_No: Flower species as a code
  2. Species_Name: Species name
  3. Petal_Width: Petal Width
  4. Petal_Length: Petal Length
  5. Sepal_Width: Sepal Width
  6. Sepal_Length: Sepal Length


Fisher, R. A. (1936). The Use of Multiple Measurements in Axonomic Problems. Annals of Eugenics 7, 179-188.

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