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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
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