Journal of Software Engineering Research and Development

Table 3 PCA results – JFC

From: A metrics suite for JUnit test code: a multiple case study on open source software

	F1	F2	F3	F4	F5
Variability (%)	50.152	39.124	6.923	2.771	1.029
% Cumulated	50.15	89.28	96.2	98.97	100
	JFC (Correlation)			JFC (Square cosine)
	F1	F2		F1	F2
TINVOK	0.837	0.358		0.701	0.129
TDATA	0.209	0.951		0.044	0.905
TASSERT	0.647	0.694		0.419	0.481
TLOC	0.746	0.634		0.556	0.402
TNOO	0.887	0.197		0.787	0.039

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