Journal of Software Engineering Research and Development

Table 6 PCA results – POI

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

	F1	F2	F3	F4	F5
Variability (%)	47.43	36.784	8.409	5.713	1.664
% Cumulated	47.43	84.214	92.623	98.336	100
	POI (Correlation)			POI (Square cosine)
	F1	F2		F1	F2
TINVOK	0.264	0.912		0.069	0.832
TDATA	0.896	0.237		0.802	0.056
TASSERT	0.697	0.467		0.486	0.218
TLOC	0.887	0.399		0.787	0.159
TNOO	0.476	0.758		0.227	0.574

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