Ordinal Data from Koch

Description

The koch data frame has 288 rows and 4 columns.

Usage

data(koch)

Format

This data frame contains the following columns:

trt

a numeric vector

day

a numeric vector

y

an ordered factor with levels: 1 < 2 < 3

id

a numeric vector

Examples

data(koch)
fit <- ordgee(ordered(y) ~ trt + as.factor(day), id=id, data=koch, corstr="exch")
summary(fit)