A PCA biplot interpretation is sound only when the target matrix matches the claim, the axes are identifiable, and the displayed plane preserves relationships within tolerance.
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Claim-Specific Admissibility of PCA Biplot Interpretations: Target Alignment, Spectral Identifiability, and Projection Adequacy
A PCA biplot interpretation is sound only when the target matrix matches the claim, the axes are identifiable, and the displayed plane preserves relationships within tolerance.