Carnegie Mellon University
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Evaluation of the haplotype motif model using the principle of minimum description

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journal contribution
posted on 2003-04-01, 00:00 authored by Srinath Sridhar
Abstract: "We apply minimum description length (MDL) principles to evaluate the merit of relaxing the rigidity of block models of haplotype structure. We accomplish this by developing an MDL formulation of the more general 'haplotype motif' haplotype structure similar to an approach proposed independently by Koivisto et al. [K+04]. Comparison of equivalent block and motif MDL models on real and simulated data reveal that the more flexible motif models can yield substantial reductions in data explanations, suggesting that motifs are more accurately capturing the true nature of haplotype conservation. These benefits are less pronounced in real than in simulated data, however, and depend on coverage level, marker density, and intrinsic recombination rates of specific data sets."


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