Statistical and Machine Learning Methods for Software Fault Prediction Using CK Metric Suite: A Comparative Analysis

Table 9

Analysis of univariate regression.

	Coefficient			Constant			𝑃 value			𝑅 value
	ver 1.2	ver 1.4	ver 1.6	ver 1.2	ver 1.4	ver 1.6	ver 1.2	ver 1.4	ver 1.6	ver 1.2	ver 1.4	ver 1.6
WMC	0.028	0.05	0.03	−0.83	−2.11	−1.77	0.0013	0.0007	0.00	0.130	0.240	0.18
DIT	−0.067	0.10	0.05	−0.46	−1.83	−1.53	0.335	0.108	0.3257	−0.039	0.054	0.02
NOC	0.137	0.09	0.13	−0.66	−1.67	−1.50	0.0007	0.00	0.00	0.136	0.13	0.16
CBO	0.011	0.01	0.02	−0.71	−1.80	−1.66	0.017	0.00	0.00	0.096	0.15	0.17
RFC	0.012	0.02	0.01	−0.86	−2.15	−1.79	0.0014	0.00	0.00	0.130	0.23	0.17
LCOM	0.007	0.007	0.007	−0.64	−1.67	−1.48	0.0349	0.0004	0.0007	0.085	0.11	0.11