getBackground {ARRmNormalization} | R Documentation |
This function estimates background intensity for the two colors by taking the median of the negative control probes in each color channel.
getBackground(greenControlMatrix, redControlMatrix)
greenControlMatrix |
matrix of negative control probes intensities in the green channel. Rows are probes, columns are samples. |
redControlMatrix |
matrix of the negative control probes intensities in the red channel. Rows are probes, columns are samples. |
Returns a data.frame
with two columns; "green"
contains the background intensity in the green channel for each sample and "red"
contains the background intensity in the red channel for each sample
Jean-Philippe Fortin <jfortin@jhsph.edu>
data(greenControlMatrix) data(redControlMatrix) getBackground(greenControlMatrix,redControlMatrix)