Generalize expand.grid() for multi-columns data. Build all combinations of lines from X1 and X2. Each line may hold multiple columns.
Generalize expand.grid() for multi-columns data. Build all combinations of lines from X1 and X2. Each line may hold multiple columns.
combn.design(X1, X2)
X1 |
variable values, possibly with many columns |
X2 |
variable values, possibly with many columns combn.design(matrix(c(10,20),ncol=1),matrix(c(1,2,3,4,5,6),ncol=2)) combn.design(matrix(c(10,20,30,40),ncol=2),matrix(c(1,2,3,4,5,6),ncol=2)) |
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