| backgroundCorrect2 {OLIN} | R Documentation |
Background correction based on
backgroundCorrect of the limma package.
backgroundCorrect2(object,method="subtract", offset=0)
object |
object of class marrayRaw |
method |
method for background correction: “none”, “subtract”, “half”, “minimum”, “movingmin”, “edwards” or “normexp”. |
offset |
{numeric value to add to intensities}
This function is a wrapper function for
backgroundCorrect
with following methods implemented:
For further details and references, please refer to its help page. An
alternative Bayesian model for background correction
(kooperberg) is also implemented
in the limma package.
Background correct object of class marrayRaw.
Matthias Futschik
# Loading data data(sw) #No background correction sw.none <- backgroundCorrect2(sw,method="none") plot(maA(sw.none)[,1],maM(sw.none)[,1]) # Simple subtraction sw.sub <- backgroundCorrect2(sw,method="sub") points(maA(sw.sub)[,1],maM(sw.sub)[,1],col="red")