rnb.plot.betadistribution.sampleGroups {RnBeads} | R Documentation

## rnb.plot.betadistribution.sampleGroups

### Description

Plots beta value distrubions given a sample grouping.

### Usage

    rnb.plot.betadistribution.sampleGroups(beta.matrix, sample.group.inds,
      annotation = "Group", log.str = NULL,
      points.per.group = rnb.getOption("distribution.subsample"))

### Arguments

`beta.matrix` | Beta values in the form of a non-empty `matrix` of type `double`. Rows in this matrix must correspond to Infinium probes, and columns - to samples.
`sample.group.inds` | Named `list` that contains indices for the samples contained in the groups in `beta.matrix`. The number of groups is determined by the length of the list, and its names are used as group names.
`annotation` | Name of the annotation being visualized, in the form of a `character` vector of length 1.
`log.str` | string specifying more details for the log file
`points.per.group` | the targeted number of points per group. Set this to a value < 1 to disable subsampling. More information in the Details section of `rnb.step.betadistribution`

### Value

the plot as a `ggplot2` object

### Author(s)

Fabian Mueller

### See Also

rnb.plot.betadistribution.probeCategories

### Examples

    library(RnBeads.hg19)
    data(small.example.object)
    logger.start(fname=NA)
    meth.mat <- meth(rnb.set.example)
    sample.groups <- rnb.sample.groups(rnb.set.example)[[1]]
    rnb.plot.betadistribution.sampleGroups(meth.mat,sample.groups)

[Package RnBeads version 2.2.0 Index]