diet: Diet Data
In galamm: Generalized Additive Latent and Mixed Models

diet	R Documentation

Diet Data

Description

Longitudinal epilepsy data from \insertCitemorrisDietHeartPostscript1977;textualgalamm. This documentation is based on Chapter 14.2 of \insertCiteskrondalGeneralizedLatentVariable2004;textualgalamm, where the dataset is used. See also \insertCiterabe-heskethCorrectingCovariateMeasurement2003;textualgalamm.

Usage

diet

Format

`diet` A data frame with 236 rows and 7 columns:

id: Subject ID.
age: Age (standardized).
bus: Dummy variable indicating whether the subject is a bus driver or banking staff.
item: Integer indicating whether the outcome is fiber intake at time 1 (item = 1), fiber intake at time 2 (item = 2), or coronary heart disease (item = 3).
y: Outcome.
chd: Dummy variable indicating whether y is an indicator for coronary heart disease, coded as 0/1.
fiber: Dummy variable indicating whether y is a fiber measurement at either timepoint 1 or 2.
fiber2: Dummy variable indicating whether y is a fiber measurement at timepoint 2.