P values in PLS-DA

MetaboAnalyst
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1

Is it possible to get the p-value for the R2Y and Q2 in PLS-DA? And if so, how?

2

In theory, it is possible (i.e. based on permutations). However, the actual value is unclear. For validity of PLS-DA model, the B/W and prediction performance are two options provided in MetaboAnalyst

3

Thanks for your answer