Statistical methods for ranking differentially expressed genes

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作者
Per Broberg
机构
[1] AstraZeneca Research and Development Lund,Molecular Sciences
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Additional Data File; Receiver Operating Characteristic; Receiver Operating Characteristic Curve; Group Label; Permutation Method;
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摘要
In the analysis of microarray data the identification of differential expression is paramount. Here I outline a method for finding an optimal test statistic with which to rank genes with respect to differential expression. Tests of the method show that it allows generation of top gene lists that give few false positives and few false negatives. Estimation of the false-negative as well as the false-positive rate lies at the heart of the method.
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