mmindex {oligo} | R Documentation

## Accessors for PM, MM or background probes indices.

### Description

Extracts the indexes for PM, MM or background probes.

### Usage

    mmindex(object, ...)
    pmindex(object, ...)
    bgindex(object, ...)

### Arguments

`object` | `FeatureSet` or `DBPDInfo` object
`...` | Extra arguments, not yet implemented

### Details

The indices are ordered by 'fid', i.e. they follow the order that the probes appear in the CEL/XYS files.

### Value

A vector of integers representing the rows of the intensity matrix that correspond to PM, MM or background probes.

### Examples

    ## How pm() works
    ## Not run:
    x <- read.celfiles(list.celfiles())
    pms0 <- pm(x)
    pmi <- pmindex(x)
    pms1 <- exprs(x)[pmi,]
    identical(pms0, pms1)

    ## End(Not run)

[Package oligo version 1.44.0 Index]