Nothing
#Class implementing a Classification Algorithm
#Implements the Falco_GP-C KEEL classification algorithm
Falco_GP_C <- function(train, test, population_size=200, max_generations=200, max_deriv_size=20, rec_prob=0.8, mut_prob=0.1, copy_prob=0.01, alpha=0.9, seed=-1){
alg <- RKEEL::R6_Falco_GP_C$new()
alg$setParameters(train, test, population_size, max_generations, max_deriv_size, rec_prob, mut_prob, copy_prob, alpha, seed)
return (alg)
}
R6_Falco_GP_C <- R6::R6Class("R6_Falco_GP_C",
inherit = ClassificationAlgorithm,
public = list(
#Public properties
#population size
population_size = 200,
#max num of generations
max_generations = 200,
#max deriv size
max_deriv_size = 20,
#recombination probability
rec_prob = 0.8,
#mutation probability
mut_prob = 0.1,
#copy probability
copy_prob = 0.01,
#alpha
alpha = 0.9,
#seed
seed = -1,
#Public functions
#Initialize function
setParameters = function(train, test,
population_size=200, max_generations=200,
max_deriv_size=20, rec_prob=0.8, mut_prob=0.1,
copy_prob=0.01, alpha=0.9, seed=-1){
super$setParameters(train, test)
#Check for constraints
stopText <- ""
if((hasMissingValues(train)) || (hasMissingValues(test))){
stopText <- paste0(stopText, "Dataset has missing values and the algorithm does not accept it.\n")
}
if(stopText != ""){
stop(stopText)
}
self$population_size <- population_size
self$max_generations <- max_generations
self$max_deriv_size <- max_deriv_size
self$rec_prob <- rec_prob
self$mut_prob <- mut_prob
self$copy_prob <- copy_prob
self$alpha <- alpha
if(seed == -1) {
self$seed <- sample(1:1000000, 1)
}
else {
self$seed <- seed
}
}
),
private = list(
#Private properties
#jar Filename
jarName = "Falco_GP.jar",
#algorithm name
algorithmName = "Falco_GP-C",
#String with algorithm name
algorithmString = "Falco_GP",
#Private functions
#Get the text with the parameters for the config file
getParametersText = function(){
text <- ""
text <- paste0(text, "seed = ", self$seed, "\n")
text <- paste0(text, "population-size = ", self$population_size, "\n")
text <- paste0(text, "max-generations = ", self$max_generations, "\n")
text <- paste0(text, "max-deriv-size = ", self$max_deriv_size, "\n")
text <- paste0(text, "rec-prob = ", self$rec_prob, "\n")
text <- paste0(text, "mut-prob = ", self$mut_prob, "\n")
text <- paste0(text, "copy-prob = ", self$copy_prob, "\n")
text <- paste0(text, "alpha = ", self$alpha, "\n")
return(text)
}
)
)
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