rnb.execute.context.removal {RnBeads} | R Documentation

## rnb.execute.context.removal

### Description

Removes all probes that belong to specific context from the given dataset.

### Usage

    rnb.execute.context.removal(rnb.set,
      contexts = rnb.getOption("filtering.context.removal"))

### Arguments

`rnb.set` | Methylation dataset as an object of type `RnBeadSet`.
`contexts` | Probe contexts to be filtered out.

### Value

List of three or four elements:

`"dataset.before"`

  Copy of `rnb.set`.

`"dataset"`

  The (possibly modified) `RnBeadSet` object after performing the missing value removal.

`"filtered"`

  `integer` vector storing the indices of all removed probes in `dataset.before`.

`"contexts"`

  The value of the parameter `contexts`.

### Author(s)

Yassen Assenov

### Examples

    library(RnBeads.hg19)
    data(small.example.object)
    contexts.to.ignore <- c("CC", "CAG", "CAH")
    rnb.set.filtered <- rnb.execute.context.removal(rnb.set.example, contexts.to.ignore)$dataset
    identical(rnb.set.example, rnb.set.filtered) # FALSE

[Package RnBeads version 2.4.0 Index]