Update app.R
Browse files
app.R
CHANGED
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@@ -10,207 +10,6 @@ library(rnaturalearth)
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library(rnaturalearthdata)
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library(countrycode)
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# =============================
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# UI
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# =============================
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ui <- dashboardPage(
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# Use black skin for the dashboard
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skin = "black",
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dashboardHeader(
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title = span(
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style = "font-weight: 600; font-size: 18px;",
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"Country Representation"
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)
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),
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dashboardSidebar(
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sidebarMenu(
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menuItem("Map Type", tabName = "cartogramTab", icon = icon("globe"))
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),
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div(
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style = "margin: 15px;",
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selectInput(
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inputId = "indexChoice",
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label = "Select Representation Index:",
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choices = c("Overall", "RepresentationGap", "Ethnicity",
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"Gender", "Religion", "Language"),
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selected = "Overall"
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)
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)
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),
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dashboardBody(
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# Bring in the OCR A Extended font from Google Fonts
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tags$head(
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tags$link(
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href = "https://fonts.googleapis.com/css2?family=OCR+A+Extended&display=swap",
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rel = "stylesheet"
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),
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tags$style(HTML("
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/* Force OCR A Extended font across the entire UI and all HTML elements */
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html, body, h1, h2, h3, h4, h5, h6, p, div, span, label, input, button, select,
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.box, .content-wrapper, .main-sidebar, .main-header .navbar, .main-header .logo,
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.sidebar-menu, .sidebar-menu li a, .sidebar-menu .fa {
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font-family: 'OCR A Extended', monospace !important;
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}
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/* Header gradient background */
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.main-header .navbar {
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background: linear-gradient(to right, #3b6978, #204051) !important;
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}
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/* Logo area (left corner of the header) */
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.main-header .logo {
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background: #1b2a2f !important;
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color: #ffffff !important;
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border-bottom: none;
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font-size: 18px;
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font-weight: 600;
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}
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/* Sidebar background */
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.main-sidebar {
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background-color: #1b2a2f !important;
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}
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/* Active or hovered tab in the sidebar */
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.sidebar-menu > li.active > a,
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.sidebar-menu > li:hover > a {
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background-color: #344e5c !important;
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border-left-color: #78cdd7 !important;
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color: #ffffff !important;
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}
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/* Sidebar menu item icons */
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.sidebar-menu .fa {
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color: #78cdd7 !important;
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}
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/* Sidebar menu item text */
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.sidebar-menu > li > a {
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color: #b8c7ce !important;
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font-size: 15px;
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font-weight: 500;
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}
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/* Customize the boxes */
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.box {
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border-top: none !important;
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box-shadow: 0 4px 8px rgba(0,0,0,0.1);
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border-radius: 6px;
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}
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.box.box-solid > .box-header {
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background-color: #204051;
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color: #fff;
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border-radius: 6px 6px 0 0;
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}
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/* Plot box spacing */
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.box .box-body {
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padding: 0 !important;
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}
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/* Footer text styling (plot captions, etc.) */
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.small, small {
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font-size: 75%;
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}
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"))
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),
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tabItems(
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tabItem(
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tabName = "cartogramTab",
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fluidRow(
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box(
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width = 12,
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title = strong("Global Leadership Project (GLP)"),
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solidHeader = TRUE,
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div(style = "height: 80vh; padding: 10px;",
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plotOutput("cartogramPlot", height = "100%")
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)
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)
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)
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)
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)
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)
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)
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# =============================
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# SERVER
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# =============================
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server <- function(input, output, session) {
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# ---- Read CSV data and create ISO3 codes ----
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rankings_data <- reactive({
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read_csv("CountryRepresentationRankings.csv") %>%
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mutate(iso_a3 = countrycode(Country, origin = "country.name", destination = "iso3c"))
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})
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# ---- Read/prepare world map shapefile ----
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world_sf <- reactive({
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ne_countries(scale = "medium", returnclass = "sf") %>%
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dplyr::select(name, iso_a3, pop_est, geometry) %>%
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st_transform(crs = "ESRI:54009") # Mollweide projection
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})
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# ---- Create cartogram (currently a regular map) ----
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cartogram_sf <- reactive({
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merged_sf <- world_sf() %>%
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left_join(rankings_data(), by = "iso_a3")
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# Filter out NA values in 'Overall' to avoid missing countries
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merged_sf <- merged_sf[!is.na(merged_sf$Overall),]
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return(merged_sf)
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})
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# ---- Plot output ----
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output$cartogramPlot <- renderPlot({
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req(input$indexChoice)
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index_col <- input$indexChoice
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plot_data <- cartogram_sf()
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ggplot(plot_data) +
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geom_sf(aes_string(fill = index_col), color = "grey20", size = 0.1) +
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scale_fill_viridis_c(option = "D", na.value = "white") +
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coord_sf(expand = FALSE) +
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# Force OCR A Extended font in the plot
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#theme_void(base_size = 14, base_family = "OCR A Extended") +
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theme_void(base_size = 14, base_family = "Courier New") +
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labs(
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fill = paste(index_col, "Index"),
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title = "Country Representation Rankings",
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subtitle = "Map Colored by Selected Representation Index",
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caption = "Source: Global Leadership Project (GLP) & Natural Earth"
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) +
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theme(
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plot.title = element_text(face = "bold", hjust = 0.5, size = 20),
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plot.subtitle = element_text(hjust = 0.5, size = 14),
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plot.caption = element_text(hjust = 1, size = 10),
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legend.position = "bottom",
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legend.direction = "horizontal",
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legend.key.width = unit(2, "cm")
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)
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})
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}
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# =============================
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# Launch the Shiny App
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# =============================
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shinyApp(ui = ui, server = server)
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options(error = NULL)
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library(shiny)
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library(shinydashboard)
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library(dplyr)
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library(readr)
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library(sf)
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library(cartogram) # optional if you decide to do cartograms later
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library(ggplot2)
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library(rnaturalearth)
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library(rnaturalearthdata)
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library(countrycode)
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# =============================
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# UI
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# =============================
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library(rnaturalearthdata)
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library(countrycode)
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# =============================
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# UI
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# =============================
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