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]