getNumberOfFeatures {RMAGEML} | R Documentation

## Retrieves number of features

### Description

Retrieves number of features from an experiment for a given DesignElementDimension

### Usage

    getNumberOfFeatures( mageOM = NULL , DED = "none" )

### Arguments

`mageOM` | R reference to MAGE object model
`DED` | DesignElementDimension: If not specified and there is more than one DED present, selection pop-up menus will appear.

### Author(s)

Steffen Durinck, http://www.esat.kuleuven.ac.be/~sdurinck
Joke Allemeersch, http://www.esat.kuleuven.ac.be/~jallemee.

### References

Spellman PT, Miller M, Stewart J, Troup C, Sarkans U, Chervitz S, Bernhart D, Sherlock G, Ball C, Lepage M, Swiatek M, Marks WL, Goncalves J, Markel S, Iordan D, Shojatalab M, Pizarro A, White J, Hubley R, Deutsch E, Senger M, Aronow BJ, Robinson A, Bassett D, Stoeckert CJ Jr and Brazma A. Design and implementation of microarray gene expression markup language (MAGE-ML). Genome Biol. 2002 Aug 23;3(9):RESEARCH0046.

### See Also

`importMAGEOM`

### Examples

    data <- system.file( "MAGEMLdata", package = "RMAGEML" )
    mageom <- importMAGEOM( directory = data )
    getNumberOfFeatures( mageOM = mageom )

[Package RMAGEML version 2.1.0 Index]