| madras {dfrr} | R Documentation |
Madras Longitudinal Schizophrenia Study.
Description
Monthly records of presence/abscence of psychiatric symptom 'thought disorder' of 86 patients over the first year after initial hospitalisation for disease.
Usage
madras
Format
A data frame with 1032 observations and 5 variables
- id
identification number of a patient
- y
response 'thought disorder': 0 = absent, 1 = present
- month
month since hospitalisation
- age
age indicator: 0 = less than 20 years, 1 = 20 or over
- gender
sex indicator: 0 = male, 1 = female
Source
Diggle PJ, Heagerty P, Liang KY, Zeger SL (2002). The analysis of Longitudinal Data, second ed., pp. 234-43. Oxford University Press, Oxford.
<http://faculty.washington.edu/heagerty/Books/AnalysisLongitudinal/datasets.html>
References
Jokinen J. Fast estimation algorithm for likelihood-based analysis of repeated categorical responses. Computational Statistics and Data Analysis 2006; 51:1509-1522.