#' Title computing all within and between facet distances between quantile categories given a data
#'
#' @param .data data for which mmpd needs to be calculated
#' @param gran_x granularities mapped across x levels
#' @param gran_facet granularities mapped across facets
#' @param response univarite response variable
#' @param quantile_prob probabilities
#' @param dist_ordered if categories are ordered
#' @param lambda value of tuning parameter for computing weighted pairwise distances
#' @return the raw weighted pairwise within-facet and between-facet distances
#'
#' @examples
#' library(dplyr)
#' library(parallel)
#' sm <- smart_meter10 %>%
#' filter(customer_id %in% c("10017936"))
#' gran_x <- "month_year"
#' gran_facet <- "wknd_wday"
#' v <- compute_pairwise_dist(sm, gran_x, gran_facet,
#' response = general_supply_kwh
#' )
#' # month of the year not working in this setup
#' @export compute_pairwise_dist
compute_pairwise_dist <- function(.data,
gran_x = NULL,
gran_facet = NA,
response = NULL,
quantile_prob =
seq(0.01, 0.99, 0.01),
dist_ordered = TRUE,
lambda = 0.67) {
if (!is.na(gran_facet)) {
lambda_t <- lambda
if (!((gran_x %in% names(.data) &
(gran_facet %in% names(.data))))) {
.data <- .data %>%
gravitas::create_gran(gran_x) %>%
gravitas::create_gran(gran_facet) %>%
dplyr::rename("id_facet" = !!gran_facet) %>%
dplyr::rename("id_x" = !!gran_x)
} else {
.data <- .data %>%
dplyr::rename("id_facet" = !!gran_facet) %>%
dplyr::rename("id_x" = !!gran_x)
}
} else {
lambda_t <- 1
if (!((gran_x %in% names(.data)))) {
.data <- .data %>%
gravitas::create_gran(gran_x) %>%
dplyr::rename("id_x" = !!gran_x) %>%
dplyr::mutate(id_facet = 1)
} else {
.data <- .data %>%
dplyr::rename("id_facet" = !!gran_facet) %>%
dplyr::rename("id_x" = !!gran_x)
}
}
all_dist_data <- suppressMessages(
.data %>%
tibble::as_tibble() %>%
dplyr::select(id_x, id_facet, {{ response }}) %>%
dplyr::rename("sim_data" = {{ response }}) %>%
# mutate(sim_data = scale(sim_data)) %>%
compute_quantiles(
quantile_prob =
quantile_prob
) %>%
distance_all_pairwise(
quantile_prob =
quantile_prob,
dist_ordered = dist_ordered,
lambda = lambda_t
)
)
all_dist_data
}
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