epilepsy: Epilesy Data

epilepsyR Documentation

Epilesy Data

Description

Data from an experiment with $i=1,...,59$ epilepsy patients. Each of the patients was assigned to a control group or a treatment group. The experiment recorded the number of seizures experienced by each patient over four two-week periods. The experiment also recorded a baseline count of the number of seizures the patients had experienced during the previous eight weeks.

Usage

data("epilepsy")

Format

A data frame with 236 observations on the following 6 variables.

count

Number of seizures experienced.

id

Patient ID.

group

Treatment or control groups.

age

The logarithm of the patient's age.

base

The logarithm of baseline/4.

visit

The corresponding time period.

References

Thall, P. F. and Vail, S. C. (1990) Some covariance models for longitudinal count data with overdispersion In Biometrics 46, 657–671


mcemGLM documentation built on April 3, 2023, 5:43 p.m.