addAnnotation {IntEREst} | R Documentation

## Adding sample annotations to a `SummarizedExperiment` object

### Description

Adds a new sample annotation to the `SummarizedExperiment` object. In other words it adds and column with sample annotations to the colData of the `SummarizedExperiment` object.

### Usage

    addAnnotation(x, sampleAnnotationType, sampleAnnotation)

### Arguments

`x` | Object of type `SummarizedExperiment`.
`sampleAnnotationType` | The name of the new column to be added to the `colData` table of `SummarizedExperiment` object.
`sampleAnnotation` | Vector with the same length as the row-size of the `colData` attribute of the `SummarizedExperiment` object, which includes the sample annotations.

### Value

An InterestResult object.

### Author(s)

Ali Oghabian

### See Also

`getAnnotation`

### Examples

    # Check the annotation table of mdsChr22Obj data
    getAnnotation(mdsChr22Obj)

    # Add a new sample annotation
    newMdsChr22Obj <- addAnnotation(x=mdsChr22Obj,
    	sampleAnnotationType="sample_number",
    	sampleAnnotation=1:16
    )

    # Retrieve annotations of the new object
    getAnnotation(newMdsChr22Obj)

[Package IntEREst version 1.6.2 Index]