Table 8: Comparing MFs based on programming language and detection tool.
(a) Comparison on programming language

Programming language MF
Duplicate code Nonduplicate code

Java 20.4370 24.1739
C/C++ 49.4868 57.2246

ALL 32.8869 38.3384

(b) Comparison on detection tool

Detection tool MF
Duplicate code Nonduplicate code

CCFinder 38.2790 40.7211
CCFinderX 40.3541 40.0774
Simian 26.0084 42.1643
Scorpio 20.9254 24.1628

ALL 32.8869 38.3384