Nothing
`na_values.declared` <- function (x, value) {
missing_values (x)
}
`na_values<-.declared` <- function (x, value) {
declared (
x = undeclare (x),
labels = attr (x, "labels", exact = TRUE),
na_values = value,
na_range = attr (x, "na_range", exact = TRUE),
label = attr (x, "label", exact = TRUE)
)
}
`na_range.declared` <- function (x, value) {
missing_range (x)
}
`na_range<-.declared` <- function (x, value) {
declared (
x = undeclare (x),
labels = attr (x, "labels", exact = TRUE),
na_values = attr (x, "na_values", exact = TRUE),
na_range = value,
label = attr (x, "label", exact = TRUE)
)
}
`val_labels.declared` <- function (x, prefixed = FALSE) {
labels <- attr (x, "labels", exact = TRUE)
if (prefixed) {
names (labels) <- paste0 ("[", labels, "] ", names (labels))
}
return (labels)
}
`val_labels<-.declared` <- function (x, value) {
attr (x, "labels") <- value
return (x)
}
`var_label.declared` <- function (x) {
attr (x, "label", exact = TRUE)
}
`var_label<-.declared` <- function (x, value) {
if (!is.null (value) && length (value) > 1) {
stopError_ ("`value` should be a single character string or NULL.")
}
if (is.null (value)) {
attr (x, "label") <- NULL
}
else {
attr (x, "label") <- as.character (value)
}
return (x)
}
`drop_unused_value_labels.declared` <- function (x) {
labels <- labels (x)
labels (x) <- labels[is.element (labels, unique (undeclare (x)))]
return (x)
}
`val_label.declared` <- function (x, v, prefixed = FALSE) {
if (length (v) != 1) {
stop (
"`v` should be a single value", call. = FALSE, domain = "R-labelled"
)
}
labels <- labels (x)
if (is.element (v, labels)) {
if (prefixed) {
return (paste0 ("[", v, "] ", names (labels)[labels == v]))
}
else {
return (names (labels)[labels == v])
}
}
else {
return (NULL)
}
}
`val_label<-.declared` <- function (x, v, value) {
if (length (v) != 1) {
stop (
"`v` should be a single value", call. = FALSE, domain = "R-labelled"
)
}
if (length (value) > 1) {
stop ("`value` should be a single character string or NULL",
call. = FALSE, domain = "R-labelled")
}
labels <- labels (x)
if (is.null (value)) {
if (is.element (v, labels)) {
labels <- labels[labels != v]
}
}
else {
if (is.element (v, labels)) {
names (labels)[labels == v] <- value
}
else {
names (v) <- value
labels <- c (labels, v)
}
}
if (length (labels) == 0)
labels <- NULL
labels (x) <- labels
x
}
`sort_val_labels.declared` <- function (x, according_to = c ("values",
"labels"), decreasing = FALSE) {
according_to <- match.arg (according_to)
labels <- labels (x)
if (!is.null (labels)) {
if (according_to == "values") {
labels <- sort (labels, decreasing = decreasing)
}
if (according_to == "labels") {
labels <- labels[order (names (labels), decreasing = decreasing)]
}
labels (x) <- labels
}
return (x)
}
`nolabel_to_na.declared` <- function (x) {
nolabel <- setdiff (
na.omit (unique (undeclare (x, drop = TRUE))),
labels (x)
)
if (length (nolabel) > 0) {
x[is.element (x, nolabel)] <- NA
}
x
}
`val_labels_to_na.declared` <- function (x) {
labels <- labels (x)
if (length (labels) > 0) {
x[is.element (x, labels)] <- NA
}
labels (x) <- NULL
return (x)
}
`remove_labels.declared` <- function (
x, user_na_to_na = FALSE, keep_var_label = FALSE
) {
if (!keep_var_label) {
label(x) <- NULL
}
labels (x) <- NULL
attr (x, "format.spss") <- NULL
return (x)
}
`remove_user_na.declared` <- function (x, user_na_to_na = FALSE) {
attr (x, "na_index") <- NULL
missing_values (x) <- NULL
missing_range (x) <- NULL
return (x)
}
`to_factor.declared` <- function (x, levels = c ("labels", "values",
"prefixed"), ordered = FALSE, nolabel_to_na = FALSE,
sort_levels = c ("auto", "none", "labels", "values"), decreasing = FALSE,
drop_unused_labels = FALSE, user_na_to_na = FALSE, strict = FALSE,
unclass = FALSE,
...) {
x <- as.haven (x)
levels <- match.arg (levels)
sort_levels <- match.arg (sort_levels)
eval(parse(text = paste(
"labelled::to_factor (",
" x, levels = levels, ordered = ordered, sort_levels = sort_levels,",
" nolabel_to_na = nolabel_to_na, decreasing = decreasing,",
" drop_unused_labels = drop_unused_labels, strict = strict,",
" user_na_to_na = user_na_to_na, unclass = unclass, ... = ...",
")"
)))
}
`to_character.declared` <- function (x, levels = c ("labels", "values",
"prefixed"), nolabel_to_na = FALSE, user_na_to_na = FALSE, ...) {
x <- as.haven (x)
levels <- match.arg (levels)
eval(parse(text = paste(
"labelled::to_character (",
" x, levels = levels, nolabel_to_na = nolabel_to_na,",
" user_na_to_na = user_na_to_na, ... = ...",
")"
)))
}
`copy_labels.declared` <- function (from, to, .strict = TRUE) {
if (mode (from) != mode (to) & .strict) {
stop (
"`from` and `to` should be of same type",
call. = FALSE, domain = "R-labelled"
)
}
label(to) <- label(from)
if (mode (from) == mode (to)) {
labels (to) <- labels (from)
missing_range (to) <- missing_range (from)
missing_values (to) <- missing_values (from)
}
return (to)
}
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