Table 3 Correlation matrix (shaded cells show the high correlation)

From: Classification of images of wheat, ryegrass and brome grass species at early growth stages using principal component analysis

	r_i	g_i	b_i	RBI	ERI	EGI	EBI	W	WDR	U_t	E_t
r_i	1.0
g_i	-0.7	1.0
b_i	-0.3	-0.5	1.0
RBI	0.4	-0.9	0.6	1.0
ERI	-0.7	1.0	-0.4	-0.9	1.0
EGI	0.4	0.4	-1.0	-0.5	0.3	1.0
EBI	0.5	0.3	-1.0	-0.5	0.2	1.0	1.0
W	-0.6	0.6	0.0	-0.4	0.6	-0.1	-0.2	1.0
WDR	0.4	-0.3	-0.1	0.3	-0.3	0.2	0.2	-0.3	1.0
U_t	0.3	-0.2	-0.1	0.2	-0.2	0.1	0.1	-0.2	0.5	1.0
E_t	-0.4	0.2	0.2	-0.2	0.3	-0.2	-0.2	0.3	-0.5	-0.9	1.0

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ISSN: 1746-4811

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