mlbench (version 2.1-1)

Zoo: Zoo Data

Description

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

Usage

data(Zoo)

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.

Details

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

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.

Examples

# NOT RUN {
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]
# }