Software Defect Prediction Based on Elman Neural Network and Cuckoo Search Algorithm

Table 4

Correlation coefficient matrix among influencing metrics.

Metric	wmc	Cbo	rfc	…	max_cc	avg_cc
wmc	1	0.483	0.868	…	0.437	0.32
Cbo	0.483	1	0.408	…	−0.019	−0.038
rfc	0.868	0.408	1	…	0.358	0.311
…	…	…	…	…	…	…
max_cc	0.437	−0.019	0.358	…	1	0.772
avg_cc	0.32	−0.038	0.311	…	0.772	1