Nothing
## ----setup,echo=FALSE, include=FALSE------------------------------------------
# setup chunk
NOT_CRAN <- identical(tolower(Sys.getenv("NOT_CRAN")),"true")
knitr::opts_chunk$set(purl = NOT_CRAN)
library(insee)
library(tidyverse)
embed_png <- function(path, dpi = NULL) {
meta <- attr(png::readPNG(path, native = TRUE, info = TRUE), "info")
if (!is.null(dpi)) meta$dpi <- rep(dpi, 2)
knitr::asis_output(paste0(
"<img src='", path, "'",
" width=", round(meta$dim[1] / (meta$dpi[1] / 96)),
" height=", round(meta$dim[2] / (meta$dpi[2] / 96)),
" />"
))}
## ----message=FALSE, warning=FALSE, include=FALSE------------------------------
library(kableExtra)
library(magrittr)
library(htmltools)
library(prettydoc)
## ---- echo = FALSE------------------------------------------------------------
embed_png("pop_map.png")
## ----message=FALSE, warning=FALSE,eval=FALSE----------------------------------
# library(insee)
# library(tidyverse)
#
# library(raster)
# library(rgdal)
# library(geosphere)
# library(broom)
# library(viridis)
# library(mapproj)
#
# dataset_list = get_dataset_list()
#
# list_idbank =
# get_idbank_list("TCRED-ESTIMATIONS-POPULATION") %>%
# filter(AGE == "00-") %>% #all ages
# filter(SEXE == 0) %>% #men and women
# filter(str_detect(REF_AREA, "^D")) %>% #select only departements
# add_insee_title()
#
# list_idbank_selected = list_idbank %>% pull(idbank)
#
# # get population data by departement
# pop = get_insee_idbank(list_idbank_selected)
#
# #get departements' geographical limits
# FranceMap <- raster::getData(name = "GADM", country = "FRA", level = 2)
#
# # extract the population by departement in 2020
# pop_plot = pop %>%
# group_by(TITLE_EN) %>%
# filter(DATE == "2020-01-01") %>%
# mutate(dptm = gsub("D", "", REF_AREA)) %>%
# filter(dptm %in% FranceMap@data$CC_2) %>%
# mutate(dptm = factor(dptm, levels = FranceMap@data$CC_2)) %>%
# arrange(dptm) %>%
# mutate(id = dptm)
#
# vec_pop = pop_plot %>% pull(OBS_VALUE)
#
# # add population data to the departement object map
# FranceMap@data$pop = vec_pop
#
# get_area = function(long, lat){
# area = areaPolygon(data.frame(long = long, lat = lat)) / 1000000
# return(data.frame(area = area))
# }
#
# # extract the departements' limits from the spatial object and compute the surface
# FranceMap_tidy_area <-
# broom::tidy(FranceMap) %>%
# group_by(id) %>%
# group_modify(~get_area(long = .x$long, lat = .x$lat))
#
# FranceMap_tidy <-
# broom::tidy(FranceMap) %>%
# left_join(FranceMap_tidy_area)
#
# # mapping table
# dptm_df = data.frame(dptm = FranceMap@data$CC_2,
# dptm_name = FranceMap@data$NAME_2,
# pop = FranceMap@data$pop,
# id = rownames(FranceMap@data))
#
# FranceMap_tidy_final_all =
# FranceMap_tidy %>%
# left_join(dptm_df, by = "id") %>%
# mutate(pop_density = pop/area) %>%
# mutate(density_range = case_when(pop_density < 40 ~ "< 40",
# pop_density >= 40 & pop_density < 50 ~ "[40, 50]",
# pop_density >= 50 & pop_density < 70 ~ "[50, 70]",
# pop_density >= 70 & pop_density < 100 ~ "[70, 100]",
# pop_density >= 100 & pop_density < 120 ~ "[100, 120]",
# pop_density >= 120 & pop_density < 160 ~ "[120, 160]",
# pop_density >= 160 & pop_density < 200 ~ "[160, 200]",
# pop_density >= 200 & pop_density < 240 ~ "[200, 240]",
# pop_density >= 240 & pop_density < 260 ~ "[240, 260]",
# pop_density >= 260 & pop_density < 410 ~ "[260, 410]",
# pop_density >= 410 & pop_density < 600 ~ "[410, 600]",
# pop_density >= 600 & pop_density < 1000 ~ "[600, 1000]",
# pop_density >= 1000 & pop_density < 5000 ~ "[1000, 5000]",
# pop_density >= 5000 & pop_density < 10000 ~ "[5000, 10000]",
# pop_density >= 20000 ~ ">= 20000"
# )) %>%
# mutate(`people per square kilometer` = factor(density_range,
# levels = c("< 40","[40, 50]", "[50, 70]","[70, 100]",
# "[100, 120]", "[120, 160]", "[160, 200]",
# "[200, 240]", "[240, 260]", "[260, 410]",
# "[410, 600]", "[600, 1000]", "[1000, 5000]",
# "[5000, 10000]", ">= 20000")))
#
# ggplot(data = FranceMap_tidy_final_all,
# aes(fill = `people per square kilometer`, x = long, y = lat, group = group) ,
# size = 0, alpha = 0.9) +
# geom_polygon() +
# geom_path(colour = "white") +
# coord_map() +
# theme_void() +
# scale_fill_viridis(discrete = T) +
# ggtitle("Distribution of the population within French territory in 2020") +
# labs(subtitle = "the density displayed here is an approximation, it should not be considered as an official statistics")
#
#
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