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DPpackage (version 1.1-0)

seizures: Epileptic seizures

Description

This data set consider information from a clinical trial of 59 epileptics, reported by Thall and Vail (1990). For each patient, the number of epileptic seizures was recorded during a baseline period of eight weeks. Patients were then randomized to treatment with the anti-epileptic drug progabide, or to aplacebo in addition to standard chemotherapy. The number of seizures was then recorded in four consecutive two-weeks intervals.

Usage

data(seizures)

Arguments

source

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

References

Diggle, P.J., Liang, K-Y., and Zeger, S.L. (1994) Analysis of longitudinal data. Oxford: Clarendon Press.

Examples

Run this code
data(seizures)
## maybe str(seizures) ; plot(seizures) ...

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