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PRTools User Guide

signature

SIGNATURE

Retrieve the signature from a pseudo-Euclidean dataset or mapping

    SIG = SIGNATURE(W)
    SIG = SIGNATURE(A)
    SIG = W*SIGNATURE
    SIG = A*SIGNATURE
    [P,Q] = SIGNATURE(W)
    .....

Input
 W PE mapping, W = PE_EM(D), if D is a dissimilarity matrix
 A Dataset, vectors in PE space, A = D*W

Output
 SIG Signature, 2-element vector [P,Q] with numbers of dimensions of  the positive and the negative subspaces of the PE space.
 P Number of dimensions of the positive space.
 Q Number of dimensions of the negative space.

See also

datasets, mappings, pe_em, pe_distm,

DisTools Contents

PRTools User Guide

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