Description Usage Arguments Value Author(s)

Given a vector of sizes of retrieved genes, for each size k, select the top k genes with smallest p values and compute the precision from the retrieved genes and the true positive genes.

1 | ```
FindPrec(pvalue, ind,topk)
``` |

`pvalue` |
A vector of p values, one for each gene, with length m |

`ind` |
A vector of indices that the corresponding gene are true positive |

`topk` |
A vector of integers ranging from 1 to m , length of retrieved gene list |

`prec` |
A vector of precisions at given sizes of retrieval. |

Yunting Sun yunting.sun@gmail.com, Nancy R.Zhang nzhang@stanford.edu, Art B.Owen owen@stanford.edu

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