Figure 2: Upper: PLS variance minimising multivariate projection methods. Left: Projection to Latent Structure (PLS). Right: Projection to Latent Structure discriminant analysis (PLS-DA). Middle and Lower: Block-diagram description of divergences analysis. Middle Left: Setup the research question as a divergence [2]. Middle Right: Derive divergences. For more on the casecont direction - Lower: Augment [6,12] with aggregates, smoothers. - and conditional indicators/questions.