180 lines
6.0 KiB
R
180 lines
6.0 KiB
R
#!/usr/bin/env Rscript
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options(stringsAsFactors = FALSE)
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if (!requireNamespace("ggplot2", quietly = TRUE)) {
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stop("Required package not installed: ggplot2")
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}
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library(ggplot2)
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script_args <- commandArgs(trailingOnly = FALSE)
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file_arg <- script_args[grepl("^--file=", script_args)][1]
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if (length(file_arg) && !is.na(file_arg)) {
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script_path <- normalizePath(sub("^--file=", "", file_arg))
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repo_root <- normalizePath(file.path(dirname(script_path), ".."))
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} else if (!exists("repo_root")) {
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repo_root <- normalizePath(".")
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}
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setwd(repo_root)
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panel_file <- file.path("data", "releases", "party_2d_election_year_panel_v0.csv.gz")
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output_dir <- file.path("validation", "outputs")
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figure_dir <- file.path("validation", "figures")
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if (!file.exists(panel_file)) stop("Required input not found: ", panel_file)
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dir.create(output_dir, recursive = TRUE, showWarnings = FALSE)
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dir.create(figure_dir, recursive = TRUE, showWarnings = FALSE)
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panel <- read.csv(panel_file, check.names = FALSE)
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trajectory_spec <- data.frame(
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party_id = c(1691, 379, 432),
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series = c("Fidesz", "Danish Social Democrats", "US Democrats"),
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start_year = c(1990, 2007, 1944),
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end_year = c(2022, 2019, 2020)
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)
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trajectory_rows <- lapply(seq_len(nrow(trajectory_spec)), function(i) {
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spec <- trajectory_spec[i, ]
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d <- panel[
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panel$party_id == spec$party_id &
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panel$year >= spec$start_year & panel$year <= spec$end_year,
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]
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if (!nrow(d)) stop("No trajectory rows found for PartyFacts ", spec$party_id)
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d$series <- spec$series
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d$display_role <- "trajectory"
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d$is_labelled <- d$year %in% c(spec$start_year, spec$end_year)
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d$label <- ifelse(d$is_labelled, paste(spec$series, d$year), "")
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d[order(d$year), ]
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})
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trajectories <- do.call(rbind, trajectory_rows)
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anchor_spec <- data.frame(
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party_id = c(1545, 1375, 1565, 1567, 433, 809),
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year = c(2021, 2021, 2019, 1979, 2022, 2020),
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label = c(
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"The Left 2021", "CDU 2021", "PiS 2019",
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"UK Conservatives 1979", "French National Front 2022",
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"US Republicans 2020"
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)
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)
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anchors <- merge(anchor_spec, panel, by = c("party_id", "year"), all.x = TRUE, sort = FALSE)
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if (anyNA(anchors$economic_lr) || anyNA(anchors$galtan)) {
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stop("One or more declared scale anchors are absent from the release panel")
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}
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anchors$series <- "Standalone anchors"
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anchors$display_role <- "anchor"
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anchors$is_labelled <- TRUE
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plot_columns <- c(
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"party_id", "party_name_english", "country", "year", "series",
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"display_role", "is_labelled", "label", "economic_lr",
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"economic_lr_q025", "economic_lr_q975", "galtan", "galtan_q025",
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"galtan_q975", "source_support_class"
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)
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plot_data <- rbind(trajectories[plot_columns], anchors[plot_columns])
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write.csv(
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plot_data,
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file.path(output_dir, "party_scale_example_plot_data.csv"),
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row.names = FALSE,
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na = ""
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)
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labelled <- plot_data[plot_data$is_labelled, ]
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label_positions <- data.frame(
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label = c(
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"Fidesz 1990", "Fidesz 2022",
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"Danish Social Democrats 2007", "Danish Social Democrats 2019",
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"US Democrats 1944", "US Democrats 2020",
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"The Left 2021", "CDU 2021", "PiS 2019",
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"UK Conservatives 1979", "French National Front 2022",
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"US Republicans 2020"
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),
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plot_label = c(
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"Fidesz\n1990", "Fidesz\n2022",
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"Danish Social Democrats\n2007", "Danish Social Democrats\n2019",
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"US Democrats\n1944", "US Democrats\n2020",
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"The Left\n2021", "CDU\n2021", "PiS\n2019",
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"UK Conservatives\n1979", "French National Front\n2022",
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"US Republicans\n2020"
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),
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label_x = c(.84, .36, .12, .33, .73, .36, .11, .65, .14, .84, .58, .88),
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label_y = c(.36, .93, .32, .49, .33, .27, .16, .48, .93, .51, .91, .78)
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)
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labelled <- merge(labelled, label_positions, by = "label", all.x = TRUE, sort = FALSE)
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if (anyNA(labelled$label_x) || anyNA(labelled$label_y)) {
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stop("Missing manual label position for a displayed scale example")
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}
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trajectory_levels <- trajectory_spec$series
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trajectories$series <- factor(trajectories$series, levels = trajectory_levels)
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p <- ggplot() +
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geom_path(
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data = trajectories,
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aes(x = economic_lr, y = galtan, group = series, linetype = series),
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colour = "grey25", linewidth = .7,
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arrow = grid::arrow(type = "closed", length = grid::unit(.065, "inches"))
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) +
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geom_point(
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data = trajectories,
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aes(x = economic_lr, y = galtan),
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colour = "grey35", size = 1.1
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) +
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geom_errorbar(
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data = labelled,
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aes(x = economic_lr, ymin = galtan_q025, ymax = galtan_q975),
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width = 0, colour = "grey45", alpha = .65
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) +
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geom_errorbar(
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data = labelled,
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aes(y = galtan, xmin = economic_lr_q025, xmax = economic_lr_q975),
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orientation = "y", width = 0, colour = "grey45", alpha = .65
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) +
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geom_point(
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data = anchors,
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aes(x = economic_lr, y = galtan),
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shape = 21, fill = "white", colour = "black", size = 2.5, stroke = .7
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) +
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geom_point(
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data = labelled[labelled$display_role == "trajectory", ],
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aes(x = economic_lr, y = galtan),
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shape = 16, colour = "black", size = 2.1
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) +
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geom_segment(
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data = labelled,
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aes(x = economic_lr, y = galtan, xend = label_x, yend = label_y),
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colour = "grey55", linewidth = .25
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) +
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geom_text(
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data = labelled,
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aes(x = label_x, y = label_y, label = plot_label),
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size = 2.6, lineheight = .9
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) +
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scale_linetype_manual(
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values = c("Fidesz" = "solid", "Danish Social Democrats" = "dashed", "US Democrats" = "dotdash")
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) +
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scale_x_continuous(limits = c(0, 1), breaks = c(0, .25, .5, .75, 1)) +
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scale_y_continuous(limits = c(0, 1), breaks = c(0, .25, .5, .75, 1)) +
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labs(
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x = "Economic: left (0) to right (1)",
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y = "Cultural: cosmopolitan (0) to traditionalist (1)",
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linetype = "Election-year path"
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) +
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theme_minimal(base_size = 9) +
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theme(
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panel.grid.minor = element_blank(),
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legend.position = "bottom",
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legend.title = element_text(face = "bold"),
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plot.margin = margin(7, 12, 7, 7)
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)
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ggsave(
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file.path(figure_dir, "party_scale_examples.pdf"),
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p, width = 8.8, height = 6.0, device = cairo_pdf
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)
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message("Wrote validation/outputs/party_scale_example_plot_data.csv")
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message("Wrote validation/figures/party_scale_examples.pdf")
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