#' Abalone Age prediction
#'
#' Predict the age of abalone from physical measurements
#'
#' \emph{Task:} Regression: formula(Rings~.)
#' Often the final 1044 examples as used test, the first 3133 for training.
#'
#' \emph{From UCI:} "Data can be treated as a classification task, for instance Data set treated as a 3-category classification problem (grouping ring classes 1-8, 9 and 10, and 11 on)"
#'
#' @references Warwick J Nash, Tracy L Sellers, Simon R Talbot, Andrew J Cawthorn and Wes B Ford (1994) "The Population Biology of Abalone (_Haliotis_ species) in Tasmania. I. Blacklip Abalone (_H. rubra_) from the North Coast and Islands of Bass Strait", Sea Fisheries Division, Technical Report No. 48 (ISSN 1034-3288)
#'
#' @inheritParams createDiabetes
#' @return The dataset as a \code{\link[data.table]{data.table}}
#' @seealso \url{https://archive.ics.uci.edu/ml/datasets/Abalone}
#' @export
createAbalone<-function(file=getfilepath("abalone.rds"),write=TRUE,read=TRUE) {
if (!read | !file.exists(file)) {
data <- read_csv("http://archive.ics.uci.edu/ml/machine-learning-databases/abalone/abalone.data",col_names=c("Sex","Length","Diameter","Height","WholeWeight","ShuckedWeight","VisceraWeight","ShellWeigth","Rings"))
data$Sex<-factor(data$Sex)
levels(data$Sex)<-c("Female","Infant","Male")
if (write) {
saveRDS(data, file=file)
}
} else {
data<-readRDS(file)
}
return(data)
}
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