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#Class implementing a Preprocess Algorithm
#Implements the LVF-IEP-FS KEEL preprocess algorithm
LVF_IEP_FS <- function(train, test, paramKNN=1, maxLoops=770, inconAllow=0, seed=-1){
alg <- RKEEL::R6_LVF_IEP_FS$new()
alg$setParameters(train, test, paramKNN, maxLoops, inconAllow, seed)
return (alg)
}
R6_LVF_IEP_FS <- R6::R6Class("R6_LVF_IEP_FS",
inherit = PreprocessAlgorithm,
public = list(
#Public properties
#paramKNN
paramKNN = 1,
#Max loops
maxLoops = 770,
#inconAllow
inconAllow = 0,
#seed
seed = -1,
#Public functions
#Initialize function
setParameters = function(train, test, paramKNN=1, maxLoops=770, inconAllow=0,
seed=-1){
super$setParameters(train, test)
stopText <- ""
if(is.null(test)){
if(hasMissingValues(train)){
stopText <- paste0(stopText, "Dataset has missing values and the algorithm does not accept it.\n")
}
if(hasContinuousData(train)){
stopText <- paste0(stopText, "Dataset has continuous data and the algorithm does not accept it.\n")
}
}
else{
if((hasMissingValues(train)) || (hasMissingValues(test))){
stopText <- paste0(stopText, "Dataset has missing values and the algorithm does not accept it.\n")
}
if((hasContinuousData(train)) || (hasContinuousData(test))){
stopText <- paste0(stopText, "Dataset has continuous data and the algorithm does not accept it.\n")
}
}
if(stopText != ""){
stop(stopText)
}
self$paramKNN <- paramKNN
self$maxLoops <- maxLoops
self$inconAllow <- inconAllow
if(seed == -1) {
self$seed <- sample(1:1000000, 1)
}
else {
self$seed <- seed
}
}
),
private = list(
#Private properties
#jar Filename
jarName = "FS-LVF-IEP.jar",
#algorithm name
algorithmName = "LVF-IEP-FS",
#String with algorithm name
algorithmString = "Las Vegas Filter (IEP)",
#Private functions
#Get the text with the parameters for the config file
getParametersText = function(){
text <- ""
text <- paste0(text, "seed = ", self$seed, "\n")
text <- paste0(text, "paramKNN = ", self$paramKNN, "\n")
text <- paste0(text, "maxLoops = ", self$maxLoops, "\n")
text <- paste0(text, "inconAllow = ", self$inconAllow, "\n")
return(text)
}
)
)
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