Research Article

On the Variability of Neural Network Classification Measures in the Protein Secondary Structure Prediction Problem

Table 3

Ranking results for the backpropagation network where represents the test vector index and and represent the distance with respect to the helix class vectors and . Out of 1800 vectors tested, vectors referred to in this table were ranked from 1 to 20.


817 0.0107 926 0.0101
887 0.0231 1604 0.0130
264 0.0405 887 0.0209
1183 0.0711 1145 0.0214
684 0.0727 461 0.0232
623 0.0874 583 0.0329
911 0.0891 1086 0.0339
1382 0.0917 1382 0.0478
1610 0.0939 413 0.0489
551 0.1060 225 0.0608
1042 0.1150 438 0.0609
924 0.1322 911 0.0613
727 0.1339 207 0.0774
438 0.1356 559 0.0885
577 0.1363 481 0.0945
896 0.1500 1548 0.0947
175 0.1513 962 0.0968
1138 0.1549 85 0.1012
583 0.1581 195 0.1111
559 0.1655 9 0.1167