Online Appendix for "The Impact of Automated Parameter Optimization on Defect Prediction Models"

(1) Correlation analysis for the 18 studied datasets.

JM1

PC5

Prop-1

Prop-2

Prop-3

Prop-4

Prop-5

Camel 1.2

Xalan 2.5

Xalan 2.6

Eclipse Platform 2.0

Eclipse Platform 2.1

Eclipse Platform 3.0

Eclipse Debug 3.4

Eclipse SWT 3.4

Eclipse JDT

Eclipse Mylyn

Eclipse PDE

(2) The AUC performance values of optimized-setting and default-setting models.

The AUC performance of optimized models vs default-setting models

The AUC performance of the ranking of the optimized models vs default-setting models

(3) The ranking of classification technique for defect prediction models.

AUC Measure

MCC Measure