Table 1 Performance indices of the consensus OPLS-DA models evaluated for each of the screened factors.

From: Structured plant metabolomics for the simultaneous exploration of multiple factors

 

Prediction accuracy

Estimated p-value

KNO3

86.5%

<0.001

NH4NO3

100.0%

<0.001

CaCl2

76.0%

<0.001

KH2PO4

57.3%

0.225

MgSO4

47.9%

0.62

2,4-D

97.9%

<0.001

IAA

90.6%

<0.001

NAA

100.0%

<0.001

IBA

99.0%

<0.001

DHZ

100.0%

<0.001

Kinetin

100.0%

<0.001

BAP

100.0%

<0.001

MeJa

99.0%

<0.001

Salicylic acid

96.9%

<0.001

GA3

62.5%

0.013

Ethephon

60.4%

0.015

Cyclanilide

97.9%

<0.001

ABA

93.8%

<0.001

Light

97.9%

<0.001

  1. Prediction accuracy was evaluated by leave-one-out-cross-validation, whereas a series of 1000 permutation tests allowed an empirical p-value to be estimated.
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