Positive data set and Negative data set are positive and negative samples respectively.

Test data1,test data2 and human genes are the data set to be tested.

BPNN level1 output,BPNN level2 output and BPNN level3 output are output results of the first, second and third stages of the cascaded BPNN Model.

Test1 main，test2 main and test3 main are separate experiments on three independent test sets.