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The function critera is used to define the criterion of the Tucker3 algorithm.
critera(aold, anew)
The old component of the first mode.
The new component of the first mode.
Rosaria Lombardo, Eric J Beh
Kroonenberg PM (1994) The TUCKALS line: a suite of programs for three-way data analysis. Computational Statistics and Data Analysis, 18, 73--96.