kfa-class {kernlab} | R Documentation |
The class of the object returned by the Kernel Feature
Analysis kfa
function
Objects can be created by calls of the form new("kfa", ...)
or by
calling the kfa
method. The objects contain the features along with the
alpha values.
alpha
:"matrix"
containing the
alpha values alphaindex
:"vector"
containing
the indexes of the selected featurekernelf
:"kfunction"
containing
the kernel function usedxmatrix
:"matrix"
containing
the selected featureskcall
:"call"
containig the
kfa
function callterms
:"ANY"
containing the
formula termssignature(object = "kfa")
: returns the alpha values signature(object = "kfa")
: returns the
index of the selected featuressignature(object = "kfa")
: returns the function call signature(object = "kfa")
: returns the kernel
function used signature(object = "kfa")
: used to embed more
data points to the feature basesignature(object = "kfa")
: returns the
selected features.
Alexandros Karatzoglou
alexandros.karatzoglou@ci.tuwien.ac.at
data(promotergene) f <- kfa(~.,data=promotergene)