Statistical Word of the Week

Feb 5, 2013
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Week #6 - Distance Matrix

(also called dissimilarity matrix) describes pairwise distinction between M objects.

It is a square symmetrical MxM matrix with the (ij)th element equal to the value of a chosen measure of distinction between the (i)th and the (j)th object. The diagonal elements are either not considered or are usually equal to zero - i.e. the distinction between an object and itself is postulated as zero.

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