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Each of five breakfast cereals are ranked by ten judges, who each taste three cereals. Each cereal is assessed six times.
data(cereal)
A data frame with 30 rows and three columns.
the rank of the cereal within each judge block
the judge that was used
the type of cereal
The data comes from a Balanced Incomplete Block Design with the number of treatments t = 5, number of blocks b = 10, with k = 3 and r = 6.
Kutner, M., Nachtsheim, C., Neter, J. and Li, W. (2005). Applied linear statistical models (5th ed.). Boston: McGraw-Hill Irwin.
attach(cereal) durbin(y = rank, groups = type, blocks = judge)
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