query {MotifDb} | R Documentation

## query

### Description

A very general search tool, returning all matrices whose metadata, in ANY column, is matched by the query string.

### Usage

    ## S4 method for signature 'MotifList'
    query(object, andStrings, orStrings, notStrings, ignore.case=TRUE)

### Arguments

`object` | a `MotifList` object.
`andStrings` | a `character` string vector, length one or more, every element of which must be found in the metadata
`orStrings` | a `character` string vector, length one or more, any element of which must be found in the metadata
`notStrings` | a `character` string vector, length one or more, none of which may appear in the metadata
`ignore.case` | a `logical` value, default TRUE

### Value

A list of the matrices

### Author(s)

Paul Shannon

### See Also

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

### Examples

      matrices.human <- query(MotifDb, 'hsapiens')
      matrices.sox4 <- query(MotifDb, 'sox4')
      uniprobe.sox.matrices <- query(MotifDb, c('uniprobe', 'sox'))
        # two approaches to selectinve extraction of TFEB matrices
      tfeb.human.1 <- query(MotifDb, andStrings=c("TFEB", "hsapiens"), notStrings=c("hpdi", "jolma", "cisbp"))
      tfeb.human.2 <- query(MotifDb, andStrings=c("TFEB", "hsapiens"), orStrings=c("hocomoco", "jaspar", "swissregulon"),
                            notStrings="2016")

[Package MotifDb version 1.34.0 Index]