{"id":275,"date":"2017-04-05T11:52:00","date_gmt":"2017-04-05T10:52:00","guid":{"rendered":"http:\/\/pageperso.math.univ-toulouse.fr\/mllaw\/?page_id=275"},"modified":"2017-04-05T12:45:25","modified_gmt":"2017-04-05T11:45:25","slug":"debiaiser-lechantillon-dapprentissage","status":"publish","type":"page","link":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/home\/statisticien\/biais-dune-decision\/debiaiser-lechantillon-dapprentissage\/","title":{"rendered":"D\u00e9biaiser l&#8217;\u00e9chantillon d&#8217;apprentissage"},"content":{"rendered":"<p>De nombreux travaux proposent un pr\u00e9-traitement des donn\u00e9es afin d&#8217;aboutir \u00e0 la construction d&#8217;une d\u00e9cision sans biais. Le probl\u00e8me est plus ou moins complexe selon que la variable sensible d&#8217;appartenance au groupe &#8220;prot\u00e9g\u00e9&#8221; est prise en compte\u00a0 ou non, soumise \u00e0 la confidentialit\u00e9.<\/p>\n<h2>Appartenance connue<\/h2>\n<p>Feldman et al. (2015) proposent de transformer chaque variable de sorte que leurs distributions marginales, conditionnellement \u00e0 l&#8217;appartenance au groupe, co\u00efncident en pr\u00e9servant les rangs. Ce crit\u00e8re est bas\u00e9e sur la distance de Wasserstein (<em>earthmover distance<\/em>).<\/p>\n<p>Kamiran et Calders (2011) comparent diff\u00e9rentes strat\u00e9gies poursuivant le m\u00eame objectif: supprimer les <em>k<\/em> variables les plus li\u00e9es \u00e0 la variables groupe, changer les labels des observations proches de la fronti\u00e8res, repond\u00e9rer les observations, supprimer ou sur \u00e9chantillonner certaines observations.<\/p>\n<h2>Appartenance implicite<\/h2>\n<p>Hajian et al. (2013), Zliobaite et al. (2011), cherchent des proc\u00e9dures adapt\u00e9es \u00e0 des situations o\u00f9 la connaissance du groupe n&#8217;est pas explicite.<\/p>\n<h2>Confidentialit\u00e9 et non discrimination<\/h2>\n<p>Enfin, dans les travaux les plus r\u00e9cents,\u00a0 Ruggiery (2014), Hajian et al. (2014) combinent des contraintes de confidentialit\u00e9 diff\u00e9rentielle avec la construction de d\u00e9cision non discriminatoires.<\/p>\n<h2>R\u00e9f\u00e9rences<\/h2>\n<p>M. Feldman, S. Friedler, J. Moeller, C. Scheidegger, S. Venkatasubramanian (2015). <a href=\"https:\/\/arxiv.org\/pdf\/1412.3756.pdf\">Certifying and removing disparate impact<\/a>, arXiv-preprint.<\/p>\n<p>S. Hajian, J. Domingo-Ferrer (2013).\u00a0 <a href=\"http:\/\/ieeexplore.ieee.org\/document\/6175897\/authors\">A Methodology for Direct and Indirect Discrimination Prevention in Data Mining<\/a>,\u00a0 IEEE Transactions on Knowledge and Data Engineering, 25(7), 1445 &#8211; 1459.<\/p>\n<p>S. Hajian, J Domingo-Ferrer, O Farr\u00e0s (2014). <a href=\"http:\/\/link.springer.com\/article\/10.1007\/s10618-014-0346-1\">Generalization-based Privacy Preservation and Discrimination Prevention<\/a> in Data Publishing and Mining, Data Mining and Knowledge Discovery 28 (5-6), 1158-1188.<\/p>\n<p>F. Kamiran, T. Calders (2011). <a href=\"https:\/\/www.researchgate.net\/publication\/228975972_Data_Pre-Processing_Techniques_for_Classification_without_Discrimination\">Data Pre-Processing Techniques for Classification without Discrimination<\/a>,\u00a0 Knowledge and Information Systems 33(1).<\/p>\n<p>S. Ruggieri (2014). <a href=\"http:\/\/www.tdp.cat\/issues11\/tdp.a196a14.pdf\">Using t-closeness anonymity to control for non-discrimination, Transaction on Data Privacy<\/a>, 7, 99-129.<\/p>\n<p>I. Zliobaite, F. Kamiran, T. Calders (2011). <a href=\"http:\/\/dl.acm.org\/citation.cfm?id=2118244\">Handling Conditional Discrimination<\/a>, Proceedings of IEEE International Conference on Data Mining, 992-1001.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>De nombreux travaux proposent un pr\u00e9-traitement des donn\u00e9es afin d&#8217;aboutir \u00e0 la construction d&#8217;une d\u00e9cision sans biais. Le probl\u00e8me est plus ou moins complexe selon que la variable sensible d&#8217;appartenance au groupe &#8220;prot\u00e9g\u00e9&#8221; est prise en compte\u00a0 ou non, soumise \u00e0 la confidentialit\u00e9. Appartenance connue Feldman et al. (2015) proposent de transformer chaque variable de [&hellip;]<\/p>\n","protected":false},"author":177,"featured_media":0,"parent":230,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-full-width.php","meta":{"footnotes":""},"class_list":["post-275","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/pages\/275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/users\/177"}],"replies":[{"embeddable":true,"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/comments?post=275"}],"version-history":[{"count":3,"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/pages\/275\/revisions"}],"predecessor-version":[{"id":278,"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/pages\/275\/revisions\/278"}],"up":[{"embeddable":true,"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/pages\/230"}],"wp:attachment":[{"href":"https:\/\/perso.math.univ-toulouse.fr\/mllaw\/wp-json\/wp\/v2\/media?parent=275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}