kyphosis.df: Data on Children who have had Corrective Spinal Surgery

Description Usage Format Source References Examples

Description

The kyphosis data frame has 81 rows and 4 columns, representing data on children who have had corrective spinal surgery.

Usage

1

Format

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

Source

John M. Chambers and Trevor J. Hastie, Statistical Models in S, p 200.

References

John M. Chambers and Trevor J. Hastie eds. (1992) Statistical Models in S, Wadsworth and Brooks/Cole, Pacific Grove, CA.

Examples

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R330 documentation built on May 2, 2019, 2:12 p.m.