Lessons Learnt from Gauging Software Metrics of Cabin Software in a Commercial Airliner

Table 7

Matrix of Spearman rank correlations.

	Voc.	Vol.	Diff.	Eff.	Avg. CC	Max. CC	Nest.	BLOC	Decl	Stat.	CLOC	LOC
Len.	0.95	1.00	0.95	0.71	0.25	0.44	0.35	0.46	0.42	0.51	0.53	0.50
Voc.		0.93	0.95	0.59	−0.08	0.35	0.32	0.39	0.37	0.45	0.49	0.45
Vol.			0.94	0.72	0.28	0.46	0.35	0.47	0.43	0.51	0.53	0.51
Diff.				0.58	0.19	0.35	0.35	0.36	0.35	0.42	0.42	0.41
Eff.					0.39	0.70	0.41	0.85	0.79	0.84	0.85	0.85
Avg. CC						0.68	0.55	0.43	0.30	0.39	0.29	0.35
Max. CC							0.61	0.77	0.63	0.74	0.68	0.72
Nest.								0.45	0.33	0.47	0.40	0.42
BLOC									0.91	0.95	0.94	0.96
Decl.										0.95	0.92	0.96
State.											0.95	0.99
CLOC												0.98