Table 5: Ratio of duplicate code—Experiment 1.
(a) Experiment 1.1

Software Name ccf ccfx simsco

EclEmma
FileZilla
FreeCol
SQuirrel
WinMerge

(b) Experiment 1.2

Software Name ccf ccfx sim sco

ThreeCAM
DatabaseToUML
AdServerBeans
NatMonitor
OpenYMSG
QMailAdmin
Tritonn
Newsstar
Hamachi-GUI
GameScanner