Probability, random processes, and estimation theory for engineers
Probability, random processes, and estimation theory for engineers
Analyzing time series gene expression data
Bioinformatics
Clustering short time series gene expression data
Bioinformatics
Analyzing gene expression data in terms of gene sets
Bioinformatics
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The use of predefined gene sets has become crucial in the interpretation of genomewide expression data. A limitation of the existing techniques that relate gene expression levels to gene sets is that they cannot readily be applied to time-course microarray data. The ability to attach statistical significance to the behaviour of biological processes over time would greatly contribute to understanding the complex regulatory mechanisms in the cell. We propose a statistical testing procedure based on the central limit theorem to assess the enrichment of a gene set. The technique is applied on time-course microarray data to generate gene-set specific 'activity profiles'.