asExprSet {Ringo} | R Documentation |
Function to convert an object of class MAList
into an object of
class ExpressionSet
. Note that the otherwise optional
targets
component is required in this case to generate the
phenoData
of the new ExpressionSet
.
asExprSet(from, idColumn="PROBE_ID")
from |
object of class MAList to convert into an
ExpressionSet |
idColumn |
string; indicating which column of the genes
data.frame of the MAList holds the identifier for reporters on the
microarray. This column, after calling
make.names on it, will make up the unique
featureNames of the resulting ExpressionSet . |
an object of class ExpressionSet
There is a more general function for converting MALists to
ExpressionSets in the package convert
. This function here is
solely intended for converting Ringo-generated MAList
s into
ExpressionSet
s.
Joern Toedling
exDir <- system.file("exData",package="Ringo") exRG <- readNimblegen("example_targets.txt","spottypes.txt",path=exDir) exMA <- preprocess(exRG, "none", returnMAList=TRUE) exX <- asExprSet(exMA)