kyphosis.df


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


datasets

This is a collection of useful functions and data for
Stats 330

Alan Lee

R330

An R package for Stats 330

kyphosis.df function

A data frame with 81 observations on the following 4 variables:
  <dl>
    <dt><code>Kyphosis</code></dt><dd>a factor with levels absent present indicating if a kyphosis (a type of deformation) was present after the operation. </dd> <dt><code>Age</code></dt><dd>in months</dd> <dt><code>Number</code></dt><dd>the number of vertebrae involved </dd> <dt><code>Start</code></dt><dd>the number of the first (topmost) vertebra operated on</dd> </dl> 

Format

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

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

Description

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References

Examples