Article
Hypothesis tests for point-mass mixture data with application to 'omics data with many zero values.
Statistical applications in genetics and molecular biology - 1 Jan 2009
Taylor Sandra, Pollard Katherine
Abstract excerpt
Data composed of a continuous component plus a point-mass frequently arises in genomic studies. The distribution of this type of data is characterized by the proportion of observations in the point mass and the distribution of the continuous component. Standard statistical methods focus on one of these effects at a time and can fail to detect differences between experimental groups. We propose a novel empirical...
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