Table 6 OPLS-DA parameters of M-Cu vs. Cu group in positive and negative ion modes.

From: Metabonomics reveals the mechanism of stress resistance in Vetiveria zizanioides inoculated with AMF under copper stress

Sample comparison group

A

R2X (cum)

R2Y (cum)

Q2 (cum)

POS

1 + 1 + 0

0.527

0.999

0.816

NEG

1 + 1 + 0

0.529

0.999

0.834

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