A counterexample to two-dimensional varimax-rotation |
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Authors: | Friedrich Gebhardt |
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Institution: | (1) Deutsches Rechenzentrum, Darmstadt, Germany |
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Abstract: | Usually, an iterative procedure based on two-dimensional rotations is employed to find the varimax solution in factor analysis. A matrix is given where this procedure does not yield the maximum value of the varimax criterion. However, random orthogonal transformations of some matrices and subsequent varimax-rotation using the iterative procedure seem to indicate that usually no local maxima exist. |
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