| knee {GMMBoost} | R Documentation |
Clinical pain study on knee data
Description
The knee data set illustrates the effect of a medical spray on the pressure pain in the knee due to sports injuries.
Usage
data(soccer)Format
A data frame with 381 patients, each with three replicates, and the following 7 variables:
painthe magnitude of pressure pain in the knee given in 5 categories (1: lowest pain; 5: strongest pain).
timethe number of replication
idnumber of patient
ththe therapy (1: spray; 0: placebo)
ageage of the patient in years
sexsex of the patient (1: male; 0: female)
pain.startthe magnitude of pressure pain in the knee at the beginning of the study
References
Tutz, G. (2000). Die Analyse kategorialer Daten - eine anwendungsorientierte Einfuehrung in Logit-Modellierung und kategoriale Regression. Muenchen: Oldenbourg Verlag.
Tutz, G. and A. Groll (2011). Binary and ordinal random effects models including variable selection. Technical Report 97, Ludwig-Maximilians-University.