Zoo Data
A simple dataset containing 17 (mostly logical) variables on 101 animals.
data(Zoo)
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.
Ask the original donor of the data why girl is an animal.
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.
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.
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]
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