Geodesic
Variable selection through CART
ESAIM: Probability and Statistics, Tome 18 (2014), pp. 770-798

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This paper deals with variable selection in regression and binary classification frameworks. It proposes an automatic and exhaustive procedure which relies on the use of the CART algorithm and on model selection via penalization. This work, of theoretical nature, aims at determining adequate penalties, i.e. penalties which allow achievement of oracle type inequalities justifying the performance of the proposed procedure. Since the exhaustive procedure cannot be realized when the number of variables is too large, a more practical procedure is also proposed and still theoretically validated. A simulation study completes the theoretical results.

DOI : 10.1051/ps/2014006
Classification : 62G05, 62G07, 62G20
Keywords: binary classification, CART, model selection, penalization, regression, variable selection 
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     author = {Sauve, Marie and Tuleau-Malot, Christine},
     title = {Variable selection through {CART}},
     journal = {ESAIM: Probability and Statistics},
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     year = {2014},
     doi = {10.1051/ps/2014006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1051/ps/2014006/}
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Sauve, Marie; Tuleau-Malot, Christine. Variable selection through CART. ESAIM: Probability and Statistics, Tome 18 (2014), pp. 770-798. doi: 10.1051/ps/2014006

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