epil2 {glmmADMB} | R Documentation

## Seizure Counts for Epileptics

### Description

Extended version of the 'epil' dataset of the MASS library. The three transformed variables `Visit`, `Base` and `Age` used by Booth et al. (2003) have been added to 'epil'.

### Usage

    data(epil2)

### Format

A data frame with 236 observations on the following 12 variables.

`y`
  a numeric vector
`trt`
  a factor with levels `placebo` `progabide`
`base`
  a numeric vector
`age`
  a numeric vector
`V4`
  a numeric vector
`subject`
  a numeric vector
`period`
  a numeric vector
`lbase`
  a numeric vector
`lage`
  a numeric vector
Visit
  (rep(1:4,59)-2.5)/5
Base
  log(base/4)
Age
  log(age)

### References

Booth et al. (2003) Negative binomial loglinear mixed models STATISTICAL MODELLING 3 (3): 179-191

### Examples

    data(epil2)

[Package glmmADMB version 0.3 Index]