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Applying Decision Trees to Gene Expression Data from DNA Microarrays: A Leukemia Case Study

Oscar Picchi NettoSergio Ricardo NozawaRafael Andrés Rosales Mitrowsky MitrowskyAlessandra MacedoJosé Augusto Baranauskas

Analyzing gene expression data is a challenging task since the large number of features against the shortage of available examples can be prone to overfitting. In order to avoid this pitfall and achieve high performance, some approaches construct complex classifiers, using new or well-established strategies. The main objective of this communication is to construct classifiers that can be human readable as well as robust in performance in microarray data using decision trees. Using one well-known leukemia dataset, a publicly available gene expression classification problem, we show the feasibility of decision trees on microarray data. Summarizing our results, we have obtained simple decision trees with performance comparable to related work.

http://www.lbd.dcc.ufmg.br/colecoes/wim/2010/005.pdf

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