Abstract
The Maxbet method is an alternative to the method of generalized canonical correlation analysis and of Procrustes analysis. Contrary to these methods, it does not maximize the inner products (covariances) between linear composites, but also takes their sums of squares (variances) into account. It is well-known that the Maxbet algorithm, which has been proven to converge monotonically, may converge to local maxima. The present paper discusses an eigenvalue criterion which is sufficient, but not necessary for global optimality. However, in two special cases, the eigenvalue criterion is shown to be necessary and sufficient for global optimality. The first case is when there are only two data sets involved; the second case is when the inner products between all variables involved are positive, regardless of the number of data sets.
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The authors are obliged to Henk Kiers for critical comments on a previous draft.
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Hanafi, M., ten Berge, J.M.F. Global optimality of the successive Maxbet algorithm. Psychometrika 68, 97–103 (2003). https://doi.org/10.1007/BF02296655
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DOI: https://doi.org/10.1007/BF02296655