An Improved Method for Cross-Project Defect Prediction by Simplifying Training Data

Algorithm 1

Algorithm of parameter optimization.

Optimizing the parameter

Input:

(1) Candidate TDS , test set ,

(2) , and

Output:

(3)

Method:

(4) Initialize ;

(5) While    do

(6)For  

(7) For  

(8) Score;

(9) End For

(10) descSort sort training instances in descending order

(11) select the top instances

(12) End For

(13) prediction result

(14) ;

(15) End While

(16) Return  ;