updateRowDataCol {IntEREst} | R Documentation

## Updating contents of `rowData` of `SummarizedExperiment` objects

### Description

Updates the values in a single column of the `rowData` of `SummarizedExperiment` objects.

### Usage

    updateRowDataCol(x,  updateCol, value)

### Arguments

`x` | Object of type `SummarizedExperiment`.
`updateCol` | Name or the number of the column in the `rowData` of `x` to be updated with the new values. if the `updateCol` does not match to any column names it will be added as a new column.
`value` | The new Replacing values.

### Value

Returns an object of type `SummarizedExperiment`.

### Author(s)

Ali Oghabian

### See Also

`annotateU12`

### Examples

    test<- mdsChr22Obj
    # See the the frequency of each intron type annotation
    table(rowData(test)$intron_type)

    #Change U2 to u2
    newIntType<- as.character(rowData(test)$intron_type)
    newIntType[newIntType=="U2" &
    	!is.na(newIntType=="U2")]<- "u2"
    #Updating values
    test<- updateRowDataCol(test, updateCol="intron_type",
    	value=newIntType)
    #See the frequency of the updated intron type annotations
    table(rowData(test)$intron_type)

    #Adding a new column
    test<- updateRowDataCol(test, updateCol="new_column",
    	value=rep(NA, nrow(rowData(test))) )
    head(rowData(test))

[Package IntEREst version 1.6.2 Index]