is.preorder | R Documentation |
The function checks whether the input boolean square matrix m
represents a preorder.
is.preorder(m)
m |
a boolean square matrix. |
transitivity
, binary
, reflexivity
,
antisymmetry
, is.partialorder
,
validate.partialorder.incidence
M <- c(TRUE, FALSE, FALSE, FALSE, TRUE, TRUE, FALSE, FALSE, TRUE, FALSE, TRUE,
FALSE, TRUE, TRUE, TRUE, TRUE)
M <- matrix(M, 4, 4)
rownames(M) <- colnames(M) <- LETTERS[1:4]
is.preorder(M)
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