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Classification automatique - Fabrice Rossi

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Dissimilarités et groupes<br />

idée naturelle : si ɛ est petit, le groupe suivant est<br />

homogène<br />

B(x, ɛ) = {y ∈ D|d(x, y) ≤ ɛ}<br />

la dissimilarité détermine la forme du groupe<br />

20 / 114 F. <strong>Rossi</strong> Similarités

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