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### stream interface
# library(rEMM)
# library(stream)
#
# cl <- DSC_tNN()
# cl
# stream <- DSD_Gaussians()
#
# update(cl, stream, 100)
# cl
# get_centers(cl)
#
# get_weights(cl)
#
# plot(cl, stream)
DSC_tNN <-
function(formula = NULL,
threshold = 0.2,
measure = "euclidean",
centroids = identical(tolower(measure),
"euclidean"),
lambda = 0) {
structure(
list(
description = "Threshold Nearest Neighbor clustering",
formula = formula,
RObj = new("tNN_R", threshold, measure, centroids, lambda)
),
class = c("DSC_tNN", "DSC_Micro", "DSC_R", "DSC")
)
}
tNN_R <- setRefClass("tNN_R", fields = list(rEMM_Obj = "ANY",
colnames = "ANY"))
tNN_R$methods(
cache = function() {
stop("SaveDSC not implemented for DSC_tNN!")
}
)
tNN_R$methods(
initialize = function(threshold, measure, centroids, lambda) {
rEMM_Obj <<- tNN(threshold, measure, centroids, lambda)
colnames <<- NULL
.self
}
)
tNN_R$methods(
cluster = function(newdata, ...) {
rEMM::cluster(rEMM_Obj, newdata)
}
)
tNN_R$methods(
get_microweights = function() {
cluster_counts(rEMM_Obj)
}
)
tNN_R$methods(
get_microclusters = function() {
as.data.frame(cluster_centers(rEMM_Obj))
}
)
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