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Similarity searches in genome-wide numerical data sets.


ABSTRACT: We present psi-square, a program for searching the space of gene vectors. The program starts with a gene vector, i.e., the set of measurements associated with a gene, and finds similar vectors, derives a probabilistic model of these vectors, then repeats search using this model as a query, and continues to update the model and search again, until convergence. When applied to three different pathway-discovery problems, psi-square was generally more sensitive and sometimes more specific than the ad hoc methods developed for solving each of these problems before.

SUBMITTER: Glazko G 

PROVIDER: S-EPMC1489924 | biostudies-literature |

REPOSITORIES: biostudies-literature

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