An Efficient Optimization Method for Solving Unsupervised Data Classification Problems

Table 1

Summarized characteristics of the test datasets.

Name of dataset	Number of data objects	Number of features	Number of clusters
Cancer	683	9	2 (444, 239)
CMC	1473	9	3 (629, 334, 510)
Glass	214	9	6 (70, 76, 17, 13, 9, 29)
Iris	150	4	3 (50, 50, 50)
Vowel	871	3	6 (72, 89, 172, 151, 207, 180)
Wine	178	13	3 (59, 71, 48)