A Constructive Data Classification Version of the Particle Swarm Optimization Algorithm

Table 2

Sensitivity analysis of the cPSClass algorithm in relation to 𝜀 for the seven datasets to be evaluated. Percentage of correct classification (Pcc), number of prototypes (NP), and number of iterations (NI) for convergence.

𝜀	0.15	0.20	0.25	0.30	0.35	0.40	0.45	0.50
				Iris
Pcc	88.89±3.20	88.67±3.11	𝟖𝟗.𝟕𝟖±𝟑.𝟑𝟖	87.78±4.98	87.56±4.87	87.78±6.57	88.22±5.16	86.67±7.43
NP	3.0±0.0	3.07±0.25	𝟑.𝟎𝟑±𝟎.𝟏𝟖	3.0±0.0	2.97±0.18	2.97±0.18	3.0±0.26	2.93±0.37
NI	214.63±5.16	214.57±5.36	𝟐𝟏𝟐.𝟏𝟎±𝟒.𝟒𝟗	221.27±34.06	215.50±5.20	215.47±5.61	218.63±25.75	215.10±6.61
				Yeast
Pcc	95.09±1.34	99.65±1.34	99.65±1.34	88.22±5.16	𝟏𝟎𝟎.𝟎±𝟎.𝟎	99.82±0.96	100.0±0.0	100.0±0.0
NP	3.08±0.25	3.93±0.25	3.93±0.25	3.0±0.26	𝟒.𝟎±𝟎.𝟎	3.97±0.18	4.0±0.0	4.0±0.0
NI	281.23±52.78	242.40±20.41	236.57±9.37	219.33±34.39	𝟐𝟒𝟕.𝟔𝟑±𝟏𝟒.𝟕𝟎	241.60±20.45	236.67±8.90	239.67±10.59
				Wine
Pcc	43.75±0.0	57.50±21.49	93.75±0.0	94.17±1.59	94.58±2.16	𝟗𝟓.𝟎±𝟐.𝟓𝟒	93.96±1.14	93.96±1.14
NP	1.0±0.0	1.63±1.0	5.93±0.74	6.90±0.76	6.90±0.80	𝟕.𝟐𝟑±𝟎.𝟖𝟔	7.10±0.66	7.27±0.74
NI	377.87±40.95	391.80±30.63	382.83±39.19	343.80±61.27	332.0±58.82	𝟑𝟑𝟓.𝟖𝟕±𝟔𝟐.𝟑𝟑	330.23±56.90	323.50±61.14
				Glass Identification
Pcc	52.81±8.90	51.40±9.44	52.46±7.88	51.05±7.46	50.70±7.63	51.05±8.97	𝟓𝟐.𝟔𝟑±𝟖.𝟖𝟓	50.18±9.14
NP	6.90±0.40	6.90±0.48	6.97±0.32	6.93±0.45	6.93±0.52	6.87±0.35	𝟔.𝟖𝟑±𝟎.𝟑𝟖	6.90±0.55
NI	321.97±82.96	324.47±82.58	308.93±77.06	298.60±86.12	321.0±87.56	286.27±79.80	𝟑𝟎𝟒.𝟔𝟑±𝟖𝟑.𝟑𝟐	276.23±78.83
				Haberman’s Survival
Pcc	91.11±3.31	92.0±3.57	𝟗𝟐.𝟒𝟒±𝟑.𝟏𝟓	92.0±2.41	90.33±3.43	91.33±2.98	91.44±2.72	92.22±3.07
NP	8.13±0.82	8.10±0.61	𝟖.𝟏𝟑±𝟎.𝟔𝟑	8.0±0.83	8.13±0.78	8.13±0.73	7.97±0.76	8.17±0.91
NI	222.87±6.14	222.10±4.06	𝟐𝟐𝟐.𝟐𝟕±𝟓.𝟏𝟏	221.80±5.25	221.30±4.91	222.10±8.79	220.80±7.46	221.40±6.67
				Ruspini
Pcc	100.0±0.0	100.0±0.0	100.0±0.0	100.0±0.0	100.0±0.0	𝟏𝟎𝟎.𝟎±𝟎.𝟎	100.0±0.0	100.0±0.0
NP	4.0±0.0	4.0±0.0	4.0±0.0	4.0±0.0	4.0±0.0	𝟒.𝟎±𝟎.𝟎	4.0±0.0	4.0±0.0
NI	132.87±65.99	151.53±62.29	160.73±54.09	157.90±53.33	132.97±62.06	𝟏𝟐𝟎.𝟏𝟎±𝟔𝟕.𝟕𝟕	159.77±56.46	156.50±58.0
				E. coli
Pcc	82.04±9.50	𝟖𝟒.𝟕𝟑±𝟔.𝟒𝟓	82.26±7.52	84.30±7.56	81.83±10.11	83.66±8.96	80.97±10.42	82.69±9.26
NP	5.43±1.04	𝟓.𝟕𝟑±𝟎.𝟕𝟖	5.30±0.95	5.53±1.01	5.43±0.82	5.60±0.89	5.73±0.83	5.37±0.93
NI	231.07±28.27	𝟐𝟐𝟒.𝟏𝟕±𝟏𝟎.𝟗𝟏	236.10±36.74	232.30±36.84	232.40±25.94	223.60±16.40	232.87±35.04	231.97±41.43