kneecumulative {catdata}

Knee Injuries

Description

In a clinical study n=127 patients with sport related injuries have been treated with two different therapies (chosen by random design). After 3,7 and 10 days of treatment the pain occuring during knee movement was observed. The data set is a transformed version of knee for fitting a cumulative logit model.

Usage

data(knee)

Format

A data frame with 127 observations on the following 8 variables.

y

Response

Th

Therapy ( placebo = 1, treatment = 2)

Age

Age in years

Age2

Squared age

Sex

Gender (male = 0, female = 1)

Person

Person

Examples

##example of analysis:
if(interactive()){vignette("random-knee2")}