Abstract

In this article, the extension of the Multivariate Curve Resolution Alternating Least Squares (MCR-ALS) method to the simultaneous analysis of multiple data sets bearing information in common is presented. The basic assumption in this extension of MCR methods is the fulfillment of a common bilinear model for the simultaneously analyzed data sets, which implies that they share some parts of their data variance at least, e.g. some chemical components or species are common among them. Different data arrangements are possible in this approach, depending on the common information shared among the different simultaneously analyzed data sets. Recently, a new incomplete multiset arrangement has been proposed that allows handling missing blocks of information in row- and column-wise augmented multisets as well.

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