numOfFactorsToUse {puma} | R Documentation

## Determine number of factors to use from an ExpressionSet

### Description

This is really an internal function used to determine how many factors to use in design and contrast matrices

### Usage

    numOfFactorsToUse(eset)

### Arguments

`eset` | An object of class `ExpressionSet`.

### Value

An integer denoting the number of factors to be used.

### Author(s)

Richard D. Pearson

### See Also

Related methods `createDesignMatrix` and `createContrastMatrix`

### Examples

            #       Next 4 lines commented out to save time in package checks, and saved version used
        # if (require(affydata)) {
            #       data(Dilution)
            #       eset_mmgmos <- mmgmos(Dilution)
            # }
            data(eset_mmgmos)
            numOfFactorsToUse(eset_mmgmos)

[Package puma version 1.8.1 Index]