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# remove variables from a draws object
remove_variables <- function(x, ...) {
UseMethod("remove_variables")
}
#' @export
remove_variables.list <- function(x, variables, ...) {
variables <- as.character(variables)
variables <- intersect(variables, names(x))
for (v in variables) {
x[[v]] <- NULL
}
x
}
#' @export
remove_variables.draws_matrix <- function(x, variables, ...) {
variables <- as.character(variables)
if (!length(variables)) {
return(x)
}
x[, !colnames(x) %in% variables]
}
#' @export
remove_variables.draws_array <- function(x, variables, ...) {
variables <- as.character(variables)
if (!length(variables)) {
return(x)
}
x[, , !dimnames(x)[[3]] %in% variables]
}
#' @export
remove_variables.draws_df <- function(x, variables, ...) {
variables <- as.character(variables)
for (v in variables) {
x[[v]] <- NULL
}
x
}
#' @export
remove_variables.draws_list <- function(x, variables, ...) {
variables <- as.character(variables)
if (!length(variables)) {
return(x)
}
for (i in seq_along(x)) {
for (v in variables) {
x[[i]][[v]] <- NULL
}
}
x
}
#' @export
remove_variables.draws_rvars <- function(x, variables, ...) {
variables <- as.character(variables)
if (!length(variables)) {
return(x)
}
x[!names(x) %in% variables]
}
# internal ----------------------------------------------------------------
# remove all reserved variables
remove_reserved_variables <- function(x, ...) {
remove_variables(x, reserved_variables(x))
}
# remove reserved variables specific for the 'draws_df' format
remove_reserved_df_variables <- function(x, ...) {
remove_variables(x, reserved_df_variables())
}
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