epilepsy


Longitudinal study on epilitic seizures (Thall and Vail, 1990; Diggle et al. 2002). The data consist into 59 individuals with five observations each: The baseline eight-week interval and measurements collected at subsequent visits every two-week.


Likelihood inference in Gaussian copula marginal
regression models.

Cristiano Varin

gcmr

Gaussian Copula Marginal Regression

epilepsy function

<table><tr><td>
<code>id</code> </td>
</tr><tr><td> patient's id . </td>
</tr><tr><td>
<code>age</code> </td>
</tr><tr><td> patient's age. </td>
</tr><tr><td>
<code>trt</code> </td>
</tr><tr><td> indicator if the patient is treated with progabide (<code>1</code>) or with placebo (<code>2</code>). </td>
</tr><tr><td>
<code>counts</code> </td>
</tr><tr><td> number of epileptic seizures. </td>
</tr><tr><td>
<code>time</code> </td>
</tr><tr><td> observation period in weeks (<code>8</code> for baseline and <code>2</code> for subsequent visits). </td>
</tr><tr><td>
<code>visit</code> </td>
</tr><tr><td> indicator if observation at baseline (<code>0</code>) or subsequent visit (<code>1</code>). </td>
</tr></table>

Format

Thall, P.F. and Vail S.C. (1990). Some covariance models for longitudinal count data with overdispersion. <em>Biometrics</em> <b>46</b>, 657--671.

epilepsy: Epilitic Seizures Data

Description

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References