Information Technology Reference
In-Depth Information
250.00
G A : 2 lib ra rie s
200.00
G A : 3 lib ra rie s
GA: 4 libraries
150.00
100.00
50.00
GA: 1 library
Ran dom
0.00
Generation
Fig. 2.
Mean Number of detectors created (y-axis) against generation (x-axis) for different
algorithms. Results are averaged over 25 runs.
Table 2.
Mean and standard deviations of observed variables for each algorithm averaged over
last 500 generations of 25 runs. Bold type indicates highest performing algorithm.
Model
Mean
number of
detectors
Highest
number of
detectors
Mean
Coverage
Highest
coverage
GA- 1 Lib
Mean
97.7844
63.2890
64.0814
97.8075
Std. Dev.
5.15973
5.40025
1.15710
1.15014
GA- 2 Libs
Mean
227.1930
257.1702
97.0047
98.1453
Std. Dev.
21.78812
24.94944
.54271
.51352
Ga - 3 Libs
Mean
178.7102
232.9614
71.3728
76.2019
Std. Dev.
30.45022
38.96799
1.45540
1.31451
GA - 4 Libs
Mean
277.3882
178.1495
50.8206
56.9651
Std. Dev.
44.95472
67.29847
2.26689
2.24031
Rnd - 1 Lib
Mean
2.2309
6.9018
10.1409
28.6972
Std. Dev.
.43560
1.24078
1.89157
4.09810
Rnd - 2 Libs
Mean
1.8511
11.2350
6.1164
23.8114
Std. Dev.
.33315
3.05073
.92953
3.45564
Rnd - 3 Libs
Mean
2.0710
17.7266
4.9721
22.0440
Std. Dev.
.44342
6.11281
.71997
3.09263
Rnd - 4 Libs
Mean
2.0829
23.0511
3.7466
19.1931
Std. Dev.
.49558
8.99772
.62348
2.76287
