Journal of Analytical Science and Technology

Table 3 Correlation matrix and p values via Pearson for ET and TC

From: Design, optimization, and validation of chemometrics-assisted spectrophotometric methods for simultaneous determination of etodolac and thiocolchicoside in pharmaceuticals

Variables		ET				TC
Variables		Added	PLS	PCR	ILS	Added	PLS	PCR	ILS
Correlation matrix	Added	1	0.998	0.999	0.998	1	0.999	0.998	0.997
	PLS	0.998	1	0.998	0.998	0.999	1	0.999	0.999
	PCR	0.999	0.998	1	0.999	0.998	0.999	1	0.998
	ILS	0.998	0.998	0.999	1	0.997	0.999	0.998	1
p values	Added	0	< 0.0001	< 0.0001	< 0.0001	0	< 0.0001	< 0.0001	< 0.0001
	PLS	< 0.0001	0	< 0.0001	< 0.0001	< 0.0001	0	< 0.0001	< 0.0001
	PCR	< 0.0001	< 0.0001	0	< 0.0001	< 0.0001	< 0.0001	0	< 0.0001
	ILS	< 0.0001	< 0.0001	< 0.0001	0	< 0.0001	< 0.0001	< 0.0001	0

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