Searching for patterns in imbalanced data : methods and alternatives with case studies in life sciences

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1007/978-3-319-12568-8_20
AuthorSearch for: 1 
Name affiliation
  1. National Research Council Canada. Information and Communication Technologies
FormatText
TypeBook chapter
Conference19th Iberoamerican Congress, CIARP 2014, November 2-5, 2014, Puerto Vallarta, Mexico
ISSN0302-9743
1611-3349
ISBN978-3-319-12567-1
978-3-319-12568-8
Series numberVolume8827
Pages159–166; # of pages: 8
SubjectKnowledge discovery; imbalanced data; gene expression data
Abstract
The prime motivation for pattern discovery and machine learning research has been the collection and warehousing of large amounts of data, in many domains such as life sciences and industrial processes. Examples of unique problems arisen are situations where the data is imbalanced. The class imbalance problem corresponds to situations where majority of cases belong to one class and a small minority belongs to the other, which in many cases is equally or even more important. To deal with this problem a number of approaches have been studied in the past. In this talk we provide an overview of some existing methods and present novel applications that are based on identifying the inherent characteristics of one class vs the other. We present the results of a number of studies focusing on real data from life science applications.
Publication date
LanguageEnglish
Peer reviewedYes
NPARC number21276087
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