R/convert.R

In teramonagi/dpurifyr: A Practical Way for Data Preprocessing using R

#' Convert data.frame to various format
#'
#' Convert data.frame to various format like matrix, vector
#'
#' @param .data
#'  A tbl.
#'
#' @return
#'  An object (matrix, vector etc.).
#' @name convert
NULL

#' @rdname convert
#' @export
to_matrix <- function(.data)
{
  apply_preprocessing_with_all_cols(.data, to_matrix_)
}

to_matrix_ <- function(x, arg=NULL, param=NULL)
{
  new_preprocessing(as.matrix(x), to_matrix_, param, arg)
}

#' @rdname convert
#' @export
to_vector <- function(.data)
{
  c(unlist(.data))
}