Each vignette is represented by the integer indexing it's place as
passed to the function. For example, let
fo <- list(vign = cbind(vign1,vign2,vign3))
then 1=vign1, 2=vign2, 3=vign3. In the case of an anchors.order
object produced with the option ties="interval", tied variables are
represented by being included in brackets.
z <- anchors( fo, data, method="order",
options=anchors.options(ties="interval"))
then a row with "{1,3},2" indicates that vign1 and vign3 are tied,
and vign2 has a higher value than both of them.