The pim.poset class is an S4 class that inherits from environment
and contains the poset functions for a pim
. It's a class
used internally and should not be adapted by the user. The correct
interpretation of the formula is dependent on this object. The object
mainly functions as a slot in object of class
pim.environment
.
compare
a character value with the type of poset. This can take the values "unique", "all" and "custom".
nobs
an integer value describing the number of observations for which this poset is meant to be used.