Table 1.

Cluster quality measures

TotalGood (i.d., >30; Lratio < 0.1)Intermediate (i.d., >20; Lratio, <0.15)Poor (i.d., <20; Lratio, >0.1)
Number of cells139110263
Average i.d.68.2881.6225.6515.02
Average Lratio0.0620.0450.1060.213
Goal-sensitive cells483990
Proportion of goal sensitive34.5335.3534.640