T. Næs, O. Tomic, B.-H. Mevik and H. Martens Path modelling by sequential PLS regression Journal of Chemometrics 25
This paper presents a new approach to path modelling, based on a sequential multi-block modelling in latent variables. Each separate model is constructed by stepwise use of the standard PLS regression on matrices that are orthogonalised with respect to each other. The advantage is that the method can allow for different dimensionality within each block, it is invariant to relative weighting of the blocks and is based on simple and standard methodology allowing for simple outlier detection, validation and interpretation.
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