期刊
BIOINFORMATICS
卷 24, 期 24, 页码 2908-2914出版社
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/btn506
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类别
资金
- Austrian Genome Program (GEN-AU)
- Bioinformatics Integration Network (BIN II)
- Austrian Nationalstiftung
- Austria Wirtschaftsservice GmbH
- IMGuS
Motivation: Prostate cancer is the most prevalent tumor in males and its incidence is expected to increase as the population ages. Prostate cancer is treatable by excision if detected at an early enough stage. The challenges of early diagnosis require the discovery of novel biomarkers and tools for prostate cancer management. Results: We developed a novel feature selection algorithm termed as associative voting (AV) for identifying biomarker candidates in prostate cancer data measured via targeted metabolite profiling MS/MS analysis. We benchmarked our algorithm against two standard entropy-based and correlation-based feature selection methods [Information Gain (IG)and ReliefF (RF)] and observed that, on a variety of classification tasks in prostate cancer diagnosis, our algorithm identified subsets of biomarker candidates that are both smaller and show higher discriminatory power than the subsets identified by IG and RF. A literature study confirms that the highest ranked biomarker candidates identified by AV have independently been identi. ed as important factors in prostate cancer development.
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