Description Usage Format Source References Examples
The kyphosis data frame has 81 rows and 4 columns, representing data on children who have had corrective spinal surgery.
1 |
A data frame with 81 observations on the following 4 variables:
Kyphosis
a factor with levels absent present indicating if a kyphosis (a type of deformation) was present after the operation.
Age
in months
Number
the number of vertebrae involved
Start
the number of the first (topmost) vertebra operated on
John M. Chambers and Trevor J. Hastie, Statistical Models in S, p 200.
John M. Chambers and Trevor J. Hastie eds. (1992) Statistical Models in S, Wadsworth and Brooks/Cole, Pacific Grove, CA.
1 2 | data(kyphosis.df)
pairs20x(kyphosis.df)
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