Last data update: 2014.03.03
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R: Ordinal Data from Koch
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)
Results
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