Description Usage Arguments Value Author(s) See Also Examples

An analog of the base package subset method, this version will return all the matrices whose metadata match the (possibly intricate) logical expression in the "subset" argument.

Note: just as with the base subset method, this method is unreliable except when used interactively. Batch, script or other programmatic use of this function is to be avoided.

1 2 |

`x` |
a |

`subset` |
a |

`select, drop, ...` |
these are ignored, appearing here only in fidelity to the generic definition of the method. |

A list of the matrices whose metadata satisfies the supplied subset

Paul Shannon

MotifDb, query, export, flyFactorSurvey, hPDI, jaspar, ScerTF, uniprobe

1 2 3 4 5 6 7 8 9 10 | ```
mdb <- MotifDb
if (interactive ()) {
matrices <- subset (mdb, dataSource=='UniPROBE')
egr1.matrices <- subset (mdb, geneSymbol=='Egr1')
jaspar.egr1.matrices <- subset (mdb, geneSymbol=='Egr1' &
dataSource == 'JASPAR_CORE')
# one of the mouse egr1 matrices has a geneSymbol 'Zif268', but
# has the proper entrez geneId.
all.egr1.matrices <- subset (mdb, geneId=='13653')
}
``` |

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