Zoo

0th

Percentile

Zoo Data

A simple dataset containing 17 (mostly logical) variables on 101 animals.

Keywords
datasets
Usage
data(Zoo)
Details

Ask the original donor of the data why girl is an animal.

Format

A data frame with 17 columns: hair, feathers, eggs, milk, airborne, aquatic, predator, toothed, backbone, breathes, venomous, fins, legs, tail, domestic, catsize, type. Most variables are logical and indicate whether the corresponding animal has the corresponsing characteristic or not. The only 2 exceptions are: legs takes values 0, 2, 4, 5, 6, and 8. type is a grouping of the animals into 7 groups, see the example section for the detailed list.

Source

The original data have been donated by Richard S. Forsyth to the UCI Repository Of Machine Learning Databases at

and were converted to R format by Friedrich Leisch.

References

Newman, D.J. & Hettich, S. & Blake, C.L. & Merz, C.J. (1998). UCI Repository of machine learning databases [http://www.ics.uci.edu/~mlearn/MLRepository.html]. Irvine, CA: University of California, Department of Information and Computer Science.

Aliases
  • Zoo
Examples
library(mlbench) data(Zoo) summary(Zoo) ## see the annimals grouped by type tapply(rownames(Zoo), Zoo$type, function(x) x) ## which animals have fins? rownames(Zoo)[Zoo$fins]
Documentation reproduced from package mlbench, version 2.1-1, License: GPL-2

Community examples

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