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#' #' Tidy FOCI
#' #'
#' #' varaible selection with FOCI
#' #'
#' #' @param .data data
#' #' @param formula formula
#' #' @param ... other arguments to FOCI
#' #'
#' #' @return data frame
#' #' @export
#' #'
#' #' @examples
#' #'
#' #' iris %>%
#' #' tidy_foci(Species ~ .) -> d1
#' #'
#' #' d1 %>%
#' #' tibble::as_tibble()
#' tidy_foci <- function(.data, formula, ...) {
#' formula %>%
#' rlang::f_lhs() -> Y_col
#'
#' f_formula_to_charvec(formula,
#' .data = .data) -> X_cols
#'
#' .data %>%
#' names -> dnames
#'
#' dnames %>%
#' setdiff(X_cols) -> idcols
#'
#' .data %>%
#' dplyr::select(tidyselect::any_of(X_cols)) -> X
#'
#' .data %>%
#' dplyr::select(tidyselect::any_of(Y_col)) -> Y
#'
#' Y %>%
#' unlist -> Y1
#'
#' if(is.character(Y1) | is.factor(Y1)){
#'
#' Y1 %>%
#' as.factor %>%
#' as.integer() -> Y1
#' }
#'
#'
#' FOCI::foci(Y = Y1, X = X, ..., numCores = 1) -> fc1
#'
#' fc1$selectedVar$names -> foci_vars
#'
#' .data %>%
#' dplyr:: select(tidyselect::any_of(idcols),
#' tidyselect::any_of(foci_vars)) -> .data1
#'
#' message(stringr::str_c("removed ", length(foci_vars), " variables out of ", length(X_cols)))
#'
#' .data1
#'
#'
#'
#' }
#'
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