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乳腺癌预后信号的稳定性和可解释性

On the stability and interpretability of prognosis signatures in breast cancer
课程网址: http://videolectures.net/mlsb2010_haury_ots/  
主讲教师: Anne-Claire Haury
开课单位: 居里研究所
开课时间: 2010-11-08
课程语种: 英语
中文简介:
在这项工作中,我们希望回答以下问题:(1)我们可以信任多少基因列表和预测签名中发现的生物功能;(2)在这方面,共同特征选择方法如何相互比较?我们提出了一个严格的框架来评估特征选择方法的准确性,稳定性和可解释性,并比较了8个常见特征选择方法以及三个乳腺癌数据集上的集合特征选择变体。结果突出了大多数现有方法(包括集合方法)的极低鲁棒性,并就基因和生物过程方面的已发表签名的过度解释发出警告。
课程简介: In this work we wish to answer the questions: (1) how much can we trust the list of genes and the biological functions found in a predictive signature and (2) how do common feature selection methods compare to each other in this regard? We propose a rigorous framework to assess the accuracy, the stability and the interpretability of a feature selection method and compare 8 common feature selection methods as well as ensemble feature selection variants on three breast cancer datasets. Results highlight the very low robustness of most existing methods, including ensemble methods, and raise a warning about the over interpretation of published signatures in terms of genes and biological processes.
关 键 词: 基因列表; 预测签名; 生物功能
课程来源: 视频讲座网
最后编审: 2019-07-02:cwx
阅读次数: 50