extractExpression {SMITE} | R Documentation

## View the expression data stored in a PvalueAnnotation

### Description

This function allows the user to see the effect and p-value data that was loaded into a PvalueAnnotation before performing downstream analysis.

### Usage

    extractExpression(pvalue_annotation)

### Arguments

`pvalue_annotation` | An S4 object of class PvalueAnnotation for which expression data has already been loaded via annotateExpression

### Value

A data.frame pulled from the phenoData of the expression slot within a load PvalueAnnotation. The phenoData specifically hold the effect and p-value information.

### Author(s)

N. Ari Wijetunga

### See Also

annotateExpression

### Examples

    data(test_annotation_score_data)
    data(curated_expressiondata)
    ## Load Expression data into PvalueAnnotation ##
    test_annotation<-annotateExpression(test_annotation, expression_curated)

    ## Extract entire ExpressionSet with expression data ##
    #slot(test_annotation,"expression")

    ## Extract expression data summary ##
    head(extractExpression(pvalue_annotation=test_annotation))

[Package SMITE version 1.14.0 Index]