Benchmarking Least Squares Support Vector Machine Classifiers
Machine Learning
Data mining in bioinformatics using Weka
Bioinformatics
Gene selection from microarray data for cancer classification-a machine learning approach
Computational Biology and Chemistry
An expert system to classify microarray gene expression data using gene selection by decision tree
Expert Systems with Applications: An International Journal
Engineering Applications of Artificial Intelligence
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Most studies concerning expression data analyses usually exploit information on the variability of gene intensity across samples. This information is sensitive to initial data processing, which affects the final conclusions. However expression data contains scale-free information, which is directly comparable between different samples. We propose to use the pairwise ratio of gene expression values rather than their absolute intensities for a classification of expression data. This information is stable to data processing and thus more attractive for classification analyses. In proposed schema of data analyses only information on relative gene expression levels in each sample is exploited. Testing on publicly available datasets leads to superior classification results.