Check if preference order for a one-sided market is complete
roommate.checkPreferences(pref)
is a matrix with the preference order of each individual in the
market. This argument is only required when utils
is not provided.
If there are n
individuals, then this matrix will be of dimension
n-1
by n
. The i,j
th element refers to j
's
i
th most favorite partner. Preference orders can either be specified
using R-indexing (starting at 1) or C++ indexing (starting at 0). The
matrix pref
must be of dimension n-1
by n
. Otherwise,
the function will throw an error.
a matrix with preference orderings with proper C++ indices or NULL if the preference order is not complete.