An S4 class to represent a permutation order.
idA character string specifying the unique
identifier of the corresponding matrix (UUID v4).
rowsAn integer vector giving the rows permutation.
columnsAn integer vector giving the columns permutation.
methodA character string indicating the seriation
method used.
x[[i]]Extracts informations from a slot selected by
subscript i. i should be one of "id",
"rows", "columns" or "method". Any unambiguous
substring can be given.
Other class:
BootCA-class,
DateModel-class,
DiversityIndex