normalize.scaling {affyPLM} | R Documentation |
Allows the user to apply scaling normalization.
normalize.scaling(X,trim=0.02,baseline=-1) normalize.AffyBatch.scaling(abatch,type=c("together","pmonly","mmonly","separate"),trim=0.02,baseline=-1)
X |
A matrix. The columns of which are to be normalized |
abatch |
An AffyBatch |
type |
A parameter controlling how normalization is applied to the Affybatch |
trim |
How much to trim from the top and bottom before computing the mean when using the scaling normalization |
baseline |
Index of array to use as baseline, negative values (-1,-2,-3,-4) control different baseline selection methods |
These function carries out scaling normalization of expression values.
A normalized exprSet
.
Ben Bolstad, bolstad@stat.berkeley.edu
data(affybatch.example) normalize.AffyBatch.scaling(affybatch.example)