Research Article

Design and Implementation of an Improved K-Means Clustering Algorithm

Table 2

Test results of three algorithms on 10 datasets.

UCI data setEvaluation indexK-meansCanopy kmeansArticle algorithm

Iriss0.620.680.78
Acc%71.3480.2286.56
ARI0.750.780.81
NMI0.730.790.83
F-score0.740.830.88

Wines0.570.660.73
Acc%68.6174.8582.15
ARI0.650.720.78
NMI0.640.700.81
F-score0.660.710.79

Glasss0.510.580.64
Acc%60.1468.6573.62
ARI0.580.670.74
NMI0.620.650.77
F-score0.620.660.75

TAEs0.630.720.79
Acc%76.1282.5788.27
ARI0.720.790.85
NMI0.740.800.86
F-score0.750.810.87

Soybean-(small)s0.560.610.69
Acc%67.3172.5680.21
ARI0.660.700.76
NMI0.680.690.78
F-score0.690.740.82

Bloods0.590.680.77
Acc%70.3277.1686.12
ARI0.680.760.84
NMI0.680.780.85
F-score0.680.730.85

Diabetess0.470.530.61
Acc%55.3362.1870.12
ARI0.560.600.68
NMI0.570.580.66
F-score0.560.640.72

Seedss0.620.680.76
Acc%71.3879.5288.89
ARI0.670.750.83
NMI0.690.790.86
F-score0.670.760.85

Waves0.420.430.51
Acc%52.2955.6361.32
ARI0.440.470.58
NMI0.460.480.56
F-score0.480.490.59

Ecolis0.490.550.63
Acc%59.6966.7374.12
ARI0.560.620.71
NMI0.590.650.75
F-score0.610.640.73