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#'CluStream for use with DSC_ThreeStage
#'
#'A version of the \link[streamMOA]{DSC_CluStream} algorithm that is optimized for use with \link{DSC_ThreeStage}.
#'Do not attempt to use this as a standalone stream clustering algorithm.
#'
#'@param timeWindow window for aging the points
#'@param maxNumKernels maximum number of microclusters to be produced
#'@param kernelRadiFactor multiplier for the kernel radius
#'@param streamSpeed number of points processed per time unit
#'@export
DSC_subspaceCluStream <- function(timeWindow=1000,
maxNumKernels=200,
kernelRadiFactor=2,
streamSpeed=1) {
javaObj <- rJava::.jcall("moa/r_interface/MicroClustererBuilder",returnSig="Lmoa/clusterers/AbstractClusterer;",
method="buildClustream",
as.integer(timeWindow),
as.integer(maxNumKernels),
as.integer(kernelRadiFactor),
as.integer(streamSpeed))
res <- structure(list(description="",javaObj=javaObj),
class=c("DSC_subspace_clustream","DSC_SubspaceMOA_micro","DSC_SubspaceMOA","DSC"))
return(res)
}
#'DenStream for use with DSC_ThreeStage
#'
#'A version of the \link[streamMOA]{DSC_DenStream} algorithm that is optimized for use with \link{DSC_ThreeStage}.
#'Do not attempt to use this as a standalone stream clustering algorithm.
#'@param horizon range of the window
#'@param epsilon defines the epsilon neighborhood
#'@param minPoints minimal number of points a cluster has to contain
#'@param beta multiplier for mu to detect outlier micro-clusters
#'@param mu minimal number of points to form a micro-cluster
#'@param initPoints number of points used to initialize the algorithm
#'@param speed number of data points processed in one time unit
#'@export
DSC_subspaceDenStream <- function(horizon=1000,
epsilon=0.04,
minPoints=4,
beta=0.2,
mu=1,
initPoints=1000,
speed=100) {
javaObj <- rJava::.jcall("moa/r_interface/MicroClustererBuilder",returnSig="Lmoa/clusterers/AbstractClusterer;",
method="buildDenstream",
as.integer(horizon),
epsilon,
as.integer(minPoints),
beta,
mu,
as.integer(initPoints),
as.integer(speed))
res <- structure(list(description="",javaObj=javaObj),
class=c("DSC_subspace_denstream","DSC_SubspaceMOA_micro","DSC_SubspaceMOA","DSC"))
return(res)
}
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