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#Class implementing a Classification Algorithm
#Implements the AdaBoost.NC-C KEEL classification algorithm
AdaBoostNC_C <- function(train, test, pruned=TRUE, confidence=0.25, instancesPerLeaf=2, numClassifiers=10, algorithm="ADABOOST.NC", trainMethod="NORESAMPLING", lambda=2, seed=-1){
alg <- RKEEL::R6_AdaBoostNC_C$new()
alg$setParameters(train, test, pruned, confidence, instancesPerLeaf, numClassifiers, algorithm, trainMethod, lambda, seed)
return (alg)
}
R6_AdaBoostNC_C <- R6::R6Class("R6_AdaBoostNC_C",
inherit = ClassificationAlgorithm,
public = list(
#Public properties
#pruned
pruned = TRUE,
#confidence
confidence = 0.25,
#instances per leaf
instancesPerLeaf = 2,
#Number of Classifiers
numClassifiers = 10,
#Algorithm
algorithm = "ADABOOST.NC",
#Train method
trainMethod = "NORESAMPLING",
#lambda
lambda = 2,
#seed
seed = -1,
#Public functions
#Initialize function
setParameters = function(train, test, pruned=TRUE, confidence=0.25,
instancesPerLeaf=2, numClassifiers=10,
algorithm="ADABOOST.NC", trainMethod="NORESAMPLING",
lambda=2, seed=-1){
super$setParameters(train, test)
self$pruned <- pruned
self$confidence <- confidence
self$instancesPerLeaf <- 2
self$numClassifiers <- numClassifiers
if((tolower(algorithm) == "adaboost.nc")){
self$algorithm <- algorithm
}
else{
#Default value of algorithm
self$algorithm <- "ADABOOST.NC"
}
if((tolower(trainMethod) == "noresampling") || (tolower(trainMethod) == "resampling")){
self$trainMethod <- toupper(trainMethod)
}
else{
#Default value of training method
self$trainMethod <- "NORESAMPLING"
}
self$lambda <- lambda
if(seed == -1) {
self$seed <- sample(1:1000000, 1)
}
else {
self$seed <- seed
}
}
),
private = list(
#Private properties
#jar Filename
jarName = "Ensembles-I.jar",
#algorithm name
algorithmName = "AdaBoost.NC-C",
#String with algorithm name
algorithmString = "AdaBoost.NC",
#Private functions
#Get the text with the parameters for the config file
getParametersText = function(){
text <- ""
text <- paste0(text, "seed = ", self$seed, "\n")
text <- paste0(text, "pruned = ", self$pruned, "\n")
text <- paste0(text, "confidence = ", self$confidence, "\n")
text <- paste0(text, "isntancesPerLeaf = ", self$instancesPerLeaf, "\n")
text <- paste0(text, "Number of Classifiers = ", self$numClassifiers, "\n")
text <- paste0(text, "Algorithm = ", self$algorithm, "\n")
text <- paste0(text, "Train Method = ", self$trainMethod, "\n")
text <- paste0(text, "Lambda = ", self$lambda, "\n")
return(text)
}
)
)
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