A data frame with 30 observations on the following 4 variables.
Protein
levels of protein (x 10) found in rat livers
Treatment
a factor with levels "Control"
,
"CPFA50"
, "CPFA150"
, "CPFA300"
,
"CPFA450"
and "CPFA600"
Day
a factor with levels "Day1"
, "Day2"
,
"Day3"
, "Day4"
and "Day5"
Group
a factor with levels "Group1"
,
"Group2"
, ..., "Group10"
; the observed levels of the
Treatment
and Day
interaction