Similarity Statistics for Clusterability Analysis with the Application of Cell Formation Problem

Table 6

Grouping efficacy results with the two-stage solution process.

	Case I			Case II
	HC	HC+GA	% Improve	HC	HC+GA	% Improve
Case A	0.7817	0.7817	0	0.7550	0.7550	0
Case B	0.8859	0.8859	0	0.6542	0.6542	0
Case C	0.7587	0.7587	0	0.7180	0.7180	0
Case D	0.7514	0.7514	0	0.8218	0.8218	0
Case E	0.8590	0.8590	0	0.8302	0.8302	0
Case F	0.8230	0.8230	0	0.7800	0.7800	0
Case G	0.8511	0.8511	0	0.6861	0.6861	0
Case H	0.7059	0.7059	0	0.7500	0.7500	0
Case I	0.6475	0.6475	0	0.7444	0.7444	0
Case J	0.7645	0.7645	0	0.7600	0.7600	0
Case K	0.7106	0.7106	0	0.7241	0.7241	0
Case L	0.7561	0.7561	0	0.8122	0.8122	0
Case M	0.6720	0.6720	0	0.7798	0.7798	0
Case N	0.6327	0.6327	0	0.8484	0.8484	0
Case O	0.6644	0.6644	0	0.8854	0.8854	0
	Case III			Case IV
	HC	HC+GA	% Improve	HC	HC+GA	% Improve
Case A	0.7627	0.7627	0	0.5776	0.5959	3.17%
Case B	0.7961	0.7961	0	0.4650	0.4713	1.35%
Case C	0.8142	0.8142	0	0.5842	0.5884	0.72%
Case D	0.7290	0.7290	0	0.4938	0.5129	3.87%
Case E	0.6898	0.6898	0	0.4927	0.5065	2.80%
Case F	0.7097	0.7097	0	0.4689	0.5240	11.75%
Case G	0.7990	0.7990	0	0.5711	0.5747	0.63%
Case H	0.6667	0.6667	0	0.4134	0.4884	18.14%
Case I	0.6481	0.6481	0	0.4067	0.4281	5.26%
Case J	0.6995	0.6995	0	0.3785	0.4483	18.44%
Case K	0.6035	0.6035	0	0.3819	0.4369	14.40%
Case L	0.6079	0.6094	0.25%	0.4657	0.4898	5.18%
Case M	0.5753	0.5765	0.21%	0.3738	0.4586	22.69%
Case N	0.5891	0.5903	0.20%	0.3556	0.3986	12.09%
Case O	0.6673	0.6673	0	0.4150	0.4494	8.29%