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Inferring Cellular Networks Using Probabilistic Graphical Models
Nir Friedman
High-throughput genome-wide molecular assays, which probe cellularnetworks from different perspectives, have become central tomolecular biology. Probabilistic graphical models are usefulfor extracting meaningful biological insights from the resultingdata sets. These models provide a concise representation ofcomplex cellular networks by composing simpler submodels. Proceduresbased on well-understood principles for inferring such modelsfrom data facilitate a model-based methodology for analysisand discovery. This methodology and its capabilities are illustratedby several recent applications to gene expression data.
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