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首页> 外文期刊>IEEE/ACM transactions on computational biology and bioinformatics >Associative clustering for exploring dependencies between functional genomics data sets
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Associative clustering for exploring dependencies between functional genomics data sets

机译:关联聚类,用于探索功能基因组学数据集之间的依赖性

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摘要

High-throughput genomic measurements, interpreted as cooccurring data samples from multiple sources, open up a fresh problem for machine learning: What is in common in the different data sets, that is, what kind of statistical dependencies are there between the paired samples from the different sets? We introduce a clustering algorithm for exploring the dependencies. Samples within each data set are grouped such that the dependencies between groups of different sets capture as much of pairwise dependencies between the samples as possible. We formalize this problem in a novel probabilistic way, as optimization of a Bayes factor. The method is applied to reveal commonalities and exceptions in gene expression between organisms and to suggest regulatory interactions in the form of dependencies between gene expression profiles and regulator binding patterns.
机译:高通量基因组测量被解释为来自多个来源的同现数据样本,这为机器学习提出了一个新的问题:不同数据集的共同点是,即来自不同来源的成对样本之间存在什么样的统计依赖性。不同的集?我们介绍了一种用于探索依赖关系的聚类算法。将每个数据集中的样本进行分组,以使不同集合的组之间的依存关系捕获尽可能多的样本之间的成对依存关系。我们以一种新颖的概率方式将此问题形式化,作为贝叶斯因子的优化。该方法适用于揭示生物之间基因表达的共性和例外,并以基因表达谱和调节剂结合模式之间的依赖性形式建议调节相互作用。

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