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#' @export
dplyr_row_slice.fbl_ts <- function(data, i, ..., preserve = FALSE) {
res <- NextMethod()
build_fable(res, response = response_vars(data), distribution = distribution_var(data))
}
#' @export
dplyr_row_slice.grouped_fbl <- dplyr_row_slice.fbl_ts
#' @export
dplyr_col_modify.fbl_ts <- function(data, cols) {
res <- NextMethod()
build_fable(res, response = response_vars(data), distribution = distribution_var(data))
}
#' @export
dplyr_col_modify.grouped_fbl <- dplyr_col_modify.fbl_ts
#' @export
dplyr_reconstruct.fbl_ts <- function(data, template) {
res <- NextMethod()
dist <- distribution_var(template)
if(dist %in% names(res)) {
build_fable(res, response = response_vars(template), distribution = dist)
} else {
res
}
}
#' @export
dplyr_reconstruct.grouped_fbl <- dplyr_reconstruct.fbl_ts
#' @export
summarise.fbl_ts <- function(.data, ..., .groups = NULL) {
dist_var <- distribution_var(.data)
dist_ptype <- vec_ptype(.data[[dist_var]])
resp_var <- response_vars(.data)
.data <- summarise(as_tsibble(.data), ..., .groups = .groups)
# If the distribution is lost, return a tsibble
if(!(dist_var %in% names(.data))) {
if(!vec_is(.data[[dist_var]], dist_ptype)){
return(.data)
}
}
build_fable(.data, response = resp_var, distribution = dist_var)
}
#' @export
summarise.grouped_fbl <- summarise.fbl_ts
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