This should not be taken to mean that the CPM is worthless. One must simply be aware of what the method cannot do. One thing we can do to refine the CPM somewhat is to compare Wisse's groups in Luke with the Aland Categories of manuscripts. Although this is not its express purpose, the Alands' system is, in effect, a ranking of Byzantine influence. The following table shows a complete list of Wisse's groups, with the Aland category assigned to most of the witnesses of the group.
All manuscripts are uncategorized.
The others are unclassified but have high Gregory numbers and may not have been examined by the Alands. All manuscripts are uncategorized. 1533 is uncategorized. All manuscripts are uncategorized.