Filter-Wrapper Methods For Gene Selection In Cancer Classification

In microarray gene expression studies, finding the smallest subset of informative genes from microarray datasets for clinical diagnosis and accurate cancer classification is one of the most difficult challenges in machine learning task. Many researchers have devoted their efforts to address this...

Full description

Saved in:
Bibliographic Details
Main Author: Alomari, Osama Ahmad Suleiman
Format: Thesis
Language:English
Published: 2018
Subjects:
Online Access:http://eprints.usm.my/49389/1/OSAMA%20AHMAD%20SULEIMAN%20ALOMARI_hj.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-usm-ep.49389
record_format uketd_dc
spelling my-usm-ep.493892021-07-05T01:04:28Z Filter-Wrapper Methods For Gene Selection In Cancer Classification 2018-09 Alomari, Osama Ahmad Suleiman R856-857 Biomedical engineering. Electronics. Instrumentation In microarray gene expression studies, finding the smallest subset of informative genes from microarray datasets for clinical diagnosis and accurate cancer classification is one of the most difficult challenges in machine learning task. Many researchers have devoted their efforts to address this problem by using a filter method, a wrapper method or a combination of both approaches. A hybrid method is a hybridisation approach between filter and wrapper methods. It benefits from the speed of the filter approach and the accuracy of the wrapper approach. Several hybrid filter-wrapper methods have been proposed to select informative genes. However, hybrid methods encounter a number of limitations, which are associated with filter and wrapper approaches. The gene subset that is produced by filter approaches lacks predictiveness and robustness. The wrapper approach encounters problems of complex interactions among genes and stagnation in local optima. To address these drawbacks, this study investigates filter and wrapper methods to develop effective hybrid methods for gene selection. This study proposes new hybrid filter-wrapper methods based on Maximum Relevancy Minimum Redundancy (MRMR) as a filter approach and adapted bat-inspired algorithm (BA) as a wrapper approach. First, MRMR hybridisation and BA adaptation are investigated to resolve the gene selection problem. The proposed method is called MRMR-BA. 2018-09 Thesis http://eprints.usm.my/49389/ http://eprints.usm.my/49389/1/OSAMA%20AHMAD%20SULEIMAN%20ALOMARI_hj.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Sains Komputer
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic R856-857 Biomedical engineering
Electronics
Instrumentation
spellingShingle R856-857 Biomedical engineering
Electronics
Instrumentation
Alomari, Osama Ahmad Suleiman
Filter-Wrapper Methods For Gene Selection In Cancer Classification
description In microarray gene expression studies, finding the smallest subset of informative genes from microarray datasets for clinical diagnosis and accurate cancer classification is one of the most difficult challenges in machine learning task. Many researchers have devoted their efforts to address this problem by using a filter method, a wrapper method or a combination of both approaches. A hybrid method is a hybridisation approach between filter and wrapper methods. It benefits from the speed of the filter approach and the accuracy of the wrapper approach. Several hybrid filter-wrapper methods have been proposed to select informative genes. However, hybrid methods encounter a number of limitations, which are associated with filter and wrapper approaches. The gene subset that is produced by filter approaches lacks predictiveness and robustness. The wrapper approach encounters problems of complex interactions among genes and stagnation in local optima. To address these drawbacks, this study investigates filter and wrapper methods to develop effective hybrid methods for gene selection. This study proposes new hybrid filter-wrapper methods based on Maximum Relevancy Minimum Redundancy (MRMR) as a filter approach and adapted bat-inspired algorithm (BA) as a wrapper approach. First, MRMR hybridisation and BA adaptation are investigated to resolve the gene selection problem. The proposed method is called MRMR-BA.
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Alomari, Osama Ahmad Suleiman
author_facet Alomari, Osama Ahmad Suleiman
author_sort Alomari, Osama Ahmad Suleiman
title Filter-Wrapper Methods For Gene Selection In Cancer Classification
title_short Filter-Wrapper Methods For Gene Selection In Cancer Classification
title_full Filter-Wrapper Methods For Gene Selection In Cancer Classification
title_fullStr Filter-Wrapper Methods For Gene Selection In Cancer Classification
title_full_unstemmed Filter-Wrapper Methods For Gene Selection In Cancer Classification
title_sort filter-wrapper methods for gene selection in cancer classification
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Sains Komputer
publishDate 2018
url http://eprints.usm.my/49389/1/OSAMA%20AHMAD%20SULEIMAN%20ALOMARI_hj.pdf
_version_ 1747821995437850624