Incremental Gene Expression Programming Classifier with Metagenes and Data Reduction

Table 8

Mean computation times (seconds per 100 instances).

Dataset	Inc-GEP1	Inc-GEP2	Inc-GEP3	Speed-up1	Speed-up2
Airlines	1.07	0.39	0.16	2.7	6.7
Banknote auth.	6.63	4.30	1.09	1.5	6.1
Bank M.	0.75	0.39	0.20	1.9	3.8
Breast	26.24	11.03	1.14	2.4	23.0
Chess	5.37	3.58	2.39	1.5	2.3
Diabetes	4.56	3.65	2.86	1.3	1.6
Electricity	7.27	2.53	0.50	2.9	14.5
Heart	18.81	10.56	5.61	1.8	3.4
Image	14.43	2.92	0.91	4.9	15.8
Internet Ad	13.08	5.58	2.10	2.3	6.2
Ionosphere	10.54	7.69	3.70	1.4	2.8
Luxemburg	0.79	0.26	0.16	3.0	5.0
Sea	0.76	0.34	0.18	2.3	4.3
Usenet2	17.80	8.07	3.13	2.2	5.7