Data on Children who have had Corrective Spinal Surgery

Description

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

Usage

data(kyphosis.df)

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

data(kyphosis.df) 
pairs20x(kyphosis.df)

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(R330)
Loading required package: s20x
Loading required package: leaps
Loading required package: rgl
Loading required package: lattice
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/R330/kyphosis.df.Rd_%03d_medium.png", width=480, height=480)
> ### Name: kyphosis.df
> ### Title: Data on Children who have had Corrective Spinal Surgery
> ### Aliases: kyphosis.df
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(kyphosis.df) 
> pairs20x(kyphosis.df)
> 
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>