join {conf.design} | R Documentation |
Joins two or more factors together into a single composite factor defining the subclasses. In a model formula join(f1, f2, f3) is equivalent to f1:f2:f3.
join(...)
... |
Two or more factors or numeric vectors, or objects of mode list containing these kinds of component. |
Similar in effect to paste(), which it uses.
A single composite factor with levels made up of the distinct combinations of levels or values of the arguments which occur.
None.
paste, rjoin, direct.sum
d1 <- conf.design(c(1,1,1), 2, treatment.names=LETTERS[1:3]) d2 <- conf.design(c(0,1,1), 2, treatment.names=LETTERS[1:3]) fd1d2 <- join(d1,d2)