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#' Canada Class containing origin specific attributes and methods
#'
#' @description Information for downloading, cleaning
#' and processing COVID-19 region data for Canada.
#'
#' @concept dataset
#' @source \url{https://health-infobase.canada.ca}
#' @export
#' @family subnational
#' @examples
#' \dontrun{
#' region <- Canada$new(verbose = TRUE, steps = TRUE, get = TRUE)
#' region$return()
#' }
Canada <- R6::R6Class("Canada",
inherit = DataClass,
public = list(
# Core Attributes (amend each parameter for origin specific information)
#' @field origin name of origin to fetch data for
origin = "Canada",
#' @field supported_levels A list of supported levels.
supported_levels = list("1"),
#' @field supported_region_names A list of region names in order of level.
supported_region_names = list("1" = "province"),
#' @field supported_region_codes A list of region codes in order of level.
supported_region_codes = list("1" = "iso_3166_2"),
#' @field common_data_urls List of named links to raw data that are common
#' across levels.
# nolint start
common_data_urls = list(
"main" = "https://health-infobase.canada.ca/src/data/covidLive/covid19.csv"
),
# nolint end
#' @field source_data_cols existing columns within the raw data
source_data_cols = c(
"cases_new", "cases_total", "deaths_new",
"recovered_total", "tested_new"
),
#' @field source_text Plain text description of the source of the data
source_text = "Public Health Infobase, Public Health Agency of Canada",
#' @field source_url Website address for explanation/introduction of the
#' data
source_url = "https://open.canada.ca/data/en/dataset/261c32ab-4cfd-4f81-9dea-7b64065690dc", # nolint
#' @description Set up a table of region codes for clean data
#' @importFrom dplyr tibble
set_region_codes = function() {
canada_codes <- tibble(
code = c(
"CA-AB", "CA-BC", "CA-MB", "CA-NB", "CA-NL",
"CA-NS", "CA-NT", "CA-NU", "CA-ON", "CA-PE",
"CA-QC", "CA-SK", "CA-YT"
),
region = c(
"Alberta", "British Columbia", "Manitoba", "New Brunswick",
"Newfoundland and Labrador", "Nova Scotia", "Northwest Territories",
"Nunavut", "Ontario", "Prince Edward Island", "Quebec",
"Saskatchewan", "Yukon"
)
)
self$codes_lookup <- list("1" = canada_codes)
},
#' @description Provincial Level Data
#' cleaning
#' @param ... pass additional arguments
#'
#' @importFrom dplyr filter select mutate rename
#' @importFrom tidyr replace_na
#' @importFrom lubridate dmy
clean_common = function() {
self$data$clean <- self$data$raw[["main"]] %>%
select(
pruid, prname, date,
numtoday, numtotal, numdeaths, numrecover, numtested
) %>%
filter(pruid != 1) %>%
select(-pruid) %>%
mutate(
prname = gsub(
"Repatriated travellers",
"Repatriated Travellers", prname
),
date = dmy(date),
numrecover = as.numeric(numrecover),
numdeaths = as.numeric(numdeaths),
numtotal = as.numeric(numtotal),
numtoday = as.numeric(numtoday),
numrecover = as.numeric(numrecover),
numtested = as.numeric(numtested)
) %>%
rename(
level_1_region = prname,
deaths_total = numdeaths,
cases_total = numtotal,
cases_new = numtoday,
recovered_total = numrecover,
tested_total = numtested
) %>%
full_join(self$codes_lookup[[self$level]],
by = c("level_1_region" = "region")
) %>%
rename(
level_1_region_code = code
) %>%
replace_na(list(
deaths_total = 0, cases_total = 0,
recovered_total = 0, tested_total = 0
))
}
)
)
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