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    A Quasi Nonmetric Method for Multidimensional Scaling of Multiway Data via a Restricted Case of an Extended INDSCAL Model

A Quasi Nonmetric Method for Multidimensional Scaling of Multiway Data via a Restricted Case of an Extended INDSCAL Model

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An Extended Three Way Euclidean Multidimensional Scaling (MDS) model which assumes both common and specific dimensions is described and contrasted with the "standard" (three way) INDSCAL MDS model. In this extended three way Euclidean spatial model, which we shall call the Extended INDSCAL model, the n stimuli (or objects) are assumed to be characterized not only by coordinates on P common dimensions, but in addition each stimulus is assumed to have a dimension (or dimensions) specific to it alone.