maffy.normalize {affy} | R Documentation |
Normalizes feauture intensities from
AffyBatch
s
maffy.normalize(data,subset,verbose=FALSE,span=0.25,family="symmetric",log.it=TRUE)
data |
an matrix of intensities. |
subset |
a vector of indexes describing which probes to use for normalising. |
verbose |
logical value. |
span |
See loess . |
family |
See loess . |
log.it |
logical value. |
Please refer to references.
The normalized intensities.
Magnus Astrand
Astrand, M. (2003) http://www.math.chalmers.se/~magnusaa/maffy/
data(affybatch.example) x <- pm(affybatch.example)[1:2000,1:3] mva.pairs(x) x <- maffy.normalize(x,subset=1:nrow(x)) mva.pairs(x)