The ART version of Higgins1990Table5 as produced by the
original ARTool, used to test the correctness of art output.
A data frame with 48 observations on the following 10 variables.
a factor with levels "t1" .. "t12"
a factor with levels "m1" .. "m4"
a factor with levels "f1" .. "f4"
a numeric vector
a numeric vector
a numeric vector
a numeric vector
a numeric vector
a numeric vector
a numeric vector
Higgins1990Table5, art.