Armin
349 lines
14 KiB
R
349 lines
14 KiB
R
# ============================================================
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# 02_build_model_inputs.R - Master Data Pipeline Orchestrator
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# ============================================================
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# Coordinates all data processing sub-scripts and produces
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# final output files for the two-dimensional party-position model. By default this writes only
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# to local-only directories under _local/ and never overwrites committed data/.
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#
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# Sub-scripts (run conditionally based on intermediate file existence):
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# process_manifesto.R -> manifesto_data.csv
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# process_poldem.R -> poldem_data.csv
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# process_expert.R -> expert_raw.csv, lr_data_raw.csv
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# process_morgan.R -> morgan_data.csv, morgan_lr.csv
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#
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# Final generated model inputs:
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# text_data.csv - Combined manifesto + PolDem
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# expert.csv - Expert survey data (CHES, V-Party, POPPA, GPS)
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# lr_data.csv - General left-right anchoring data
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# ============================================================
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library(tidyverse)
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library(countrycode)
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cmd_args <- commandArgs(trailingOnly = FALSE)
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file_arg <- grep("^--file=", cmd_args, value = TRUE)
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if (length(file_arg) > 0) {
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this_file <- normalizePath(sub("^--file=", "", file_arg[[1]]), mustWork = TRUE)
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repo_root <- normalizePath(file.path(dirname(this_file), "..", ".."), mustWork = TRUE)
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} else {
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repo_root <- normalizePath(getwd(), mustWork = TRUE)
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}
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script_dir <- file.path(repo_root, "data-setup", "R")
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build_dir <- normalizePath(
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Sys.getenv("PARTY2D_BUILD_DIR", file.path(repo_root, "_local", "build")),
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mustWork = FALSE
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)
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generated_input_dir <- normalizePath(
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Sys.getenv("PARTY2D_GENERATED_INPUT_DIR", file.path(repo_root, "_local", "generated-inputs")),
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mustWork = FALSE
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)
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dir.create(build_dir, recursive = TRUE, showWarnings = FALSE)
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dir.create(generated_input_dir, recursive = TRUE, showWarnings = FALSE)
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# The source-processing scripts use relative paths for intermediate files.
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# Keep those intermediates in the ignored build directory, never committed data/.
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setwd(build_dir)
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# Static model support inputs are versioned in data/ and copied into the local
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# generated-input set for comparison. They are not regenerated by raw-source setup.
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for (support_file in c("union_mapping.csv", "party_families.csv")) {
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src <- file.path(repo_root, "data", support_file)
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if (!file.exists(src)) {
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stop("Required committed support input not found: ", src)
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}
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file.copy(src, file.path(build_dir, support_file), overwrite = TRUE)
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}
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cat("============================================================\n")
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cat("Data Management Pipeline\n")
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cat("============================================================\n\n")
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cat("Build directory: ", build_dir, "\n", sep = "")
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cat("Generated input directory: ", generated_input_dir, "\n\n", sep = "")
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# ============================================================
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# Configuration: Set to TRUE to force re-run of sub-scripts
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# ============================================================
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FORCE_RERUN_MANIFESTO <- FALSE
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FORCE_RERUN_POLDEM <- FALSE
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FORCE_RERUN_EXPERT <- FALSE
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FORCE_RERUN_MORGAN <- FALSE
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# ============================================================
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# Step 1: Manifesto Data
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# ============================================================
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cat("Step 1: Manifesto data\n")
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if (!file.exists("manifesto_data.csv") || !file.exists("election_data.csv") || FORCE_RERUN_MANIFESTO) {
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cat(" Running process_manifesto.R...\n")
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source(file.path(script_dir, "process_manifesto.R"))
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} else {
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cat(" Loading cached manifesto_data.csv and election_data.csv...\n")
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}
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manifesto <- read_csv("manifesto_data.csv", show_col_types = FALSE)
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election_data <- read_csv("election_data.csv", show_col_types = FALSE)
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cat(sprintf(" Loaded manifesto: %d rows, %d parties\n", nrow(manifesto), n_distinct(manifesto$party)))
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cat(sprintf(" Loaded election: %d rows, %d parties\n\n", nrow(election_data), n_distinct(election_data$party)))
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# ============================================================
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# Step 2: PolDem Media Data
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# ============================================================
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cat("Step 2: PolDem media data\n")
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if (!file.exists("poldem_data.csv") || FORCE_RERUN_POLDEM) {
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cat(" Running process_poldem.R...\n")
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source(file.path(script_dir, "process_poldem.R"))
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} else {
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cat(" Loading cached poldem_data.csv...\n")
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}
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poldem_data <- read_csv("poldem_data.csv", show_col_types = FALSE)
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cat(sprintf(" Loaded: %d rows, %d parties\n\n", nrow(poldem_data), n_distinct(poldem_data$party)))
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# ============================================================
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# Step 4: Expert Survey Data
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# ============================================================
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cat("Step 3: Expert survey data\n")
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if (!file.exists("expert_raw.csv") || !file.exists("lr_data_raw.csv") || FORCE_RERUN_EXPERT) {
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cat(" Running process_expert.R...\n")
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source(file.path(script_dir, "process_expert.R"))
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} else {
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cat(" Loading cached expert_raw.csv and lr_data_raw.csv...\n")
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}
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expert_raw <- read_csv("expert_raw.csv", show_col_types = FALSE)
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lr_data_raw <- read_csv("lr_data_raw.csv", show_col_types = FALSE)
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cat(sprintf(" Expert: %d rows, LR: %d rows\n\n", nrow(expert_raw), nrow(lr_data_raw)))
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# ============================================================
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# Step 3b: Morgan (1976) Historical Expert Data
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# ============================================================
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cat("Step 3b: Morgan (1976) historical L-R data\n")
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# First run to generate morgan_data.csv if needed
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if (!file.exists("morgan_data.csv") || FORCE_RERUN_MORGAN) {
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cat(" Running process_morgan.R (initial processing)...\n")
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source(file.path(script_dir, "process_morgan.R"))
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}
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# morgan_lr.csv depends on text_data.csv, so we need to check if it needs regeneration
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# It will be generated/regenerated below after text_data is created
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# ============================================================
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# Step 4: Combine Text Data Sources
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# ============================================================
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cat("Step 4: Combining text data sources\n")
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text_data <- bind_rows(manifesto, poldem_data)
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cat(sprintf(" Combined text_data: %d rows\n", nrow(text_data)))
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# Save unfiltered text_data for reproducible mismatch diagnosis
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write_csv(text_data, "text_data_unfiltered.csv")
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cat(sprintf(" Saved unfiltered text_data: %d rows, %d parties\n", nrow(text_data), n_distinct(text_data$party)))
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# ============================================================
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# Step 4b: Party Renames (applied before filtering)
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# ============================================================
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# Renames must happen BEFORE the relevance filter so that party IDs
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# match across text_data and expert_raw when computing expert coverage.
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# Simple renames only (organizational continuity: same leadership/members)
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simple_renames <- c(
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`10` = 1816L, # DE: Greens -> Bündnis90/Grüne
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`276` = 120L, # RO: FDSN/PDSR -> PSD (renamed 2001)
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`8054` = 878L, # IT: PDS -> DS (renamed 1998)
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`1696` = 813L, # IT: MSI -> AN (refounded 1995)
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`553` = 1968L, # BE: Vlaams Blok -> Vlaams Belang (refounded 2004)
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`8058` = 1626L # IT: Forza Italia (refounded 2013) -> Forza Italia (same party, Berlusconi)
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)
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apply_simple_renames <- function(df) {
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for (old_id in names(simple_renames)) {
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df <- df %>%
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mutate(party = ifelse(party == as.integer(old_id), simple_renames[[old_id]], party))
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}
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df
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}
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cat("\nStep 4b: Party renames\n")
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text_data <- apply_simple_renames(text_data)
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cat(sprintf(" Applied %d renames to text_data\n", length(simple_renames)))
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# ============================================================
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# Step 4c: Relevance Filter
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# ============================================================
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# Design: R pipeline filters for RELEVANCE (is this party worth modeling?).
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# Julia pipeline handles INTERPOLATION QUALITY (MAX_GAP=7 segment splitting, MIN_OBS=2).
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# Expert survey coverage is a relevance signal: CHES only covers parties with >1% vote share.
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cat("\nStep 4c: Relevance filter\n")
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parties_before <- n_distinct(text_data$party)
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# Compute expert coverage per party (with renames applied for consistent matching)
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expert_year_counts <- bind_rows(
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expert_raw %>% select(party, year),
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lr_data_raw %>% select(party, year)
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) %>% distinct() %>%
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apply_simple_renames() %>%
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distinct() %>%
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count(party, name = "expert_years")
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expert_party_ids <- unique(expert_year_counts$party)
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cat(sprintf(" Parties with expert data: %d\n", length(expert_party_ids)))
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# Three-tier relevance filter:
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# Tier 1: 3+ text data years (always include, regardless of expert data)
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# Tier 2: 2 text years + any expert data (major newer parties like M5S, ANO, LREM)
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# Tier 3: 1 text year + 3+ expert survey years (parties with rich expert coverage)
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text_data <- text_data %>%
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group_by(country, party) %>%
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mutate(n_years = n_distinct(year)) %>%
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ungroup() %>%
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left_join(expert_year_counts, by = "party") %>%
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mutate(expert_years = replace_na(expert_years, 0L)) %>%
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mutate(
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tier = case_when(
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n_years >= 3 ~ 1L,
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n_years >= 2 & party %in% expert_party_ids ~ 2L,
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n_years >= 1 & expert_years >= 3 ~ 3L,
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TRUE ~ 0L
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)
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) %>%
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filter(tier > 0) %>%
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select(-n_years, -expert_years, -tier)
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parties_after <- n_distinct(text_data$party)
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cat(sprintf(" Parties before filter: %d\n", parties_before))
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cat(sprintf(" Parties after filter: %d\n", parties_after))
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cat(sprintf(" Parties removed: %d\n\n", parties_before - parties_after))
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# ============================================================
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# Step 5: Party Harmonization
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# ============================================================
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cat("Step 5: Party harmonization (union-aware)\n")
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# Load union mapping to identify constituent parties
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union_map <- read_csv("union_mapping.csv", show_col_types = FALSE)
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# Build set of constituent parties whose union is in text_data
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constituent_parties <- union_map %>%
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filter(manifesto_pf_id %in% unique(text_data$party)) %>%
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pull(expert_pf_id)
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cat(sprintf(" Union mappings loaded: %d rows covering %d unions\n",
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nrow(union_map), n_distinct(union_map$manifesto_pf_id)))
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cat(sprintf(" Constituent parties with unions in text_data: %d\n",
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length(unique(constituent_parties))))
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# Deduplicate union manifesto rows: where multiple CMP codes map to the same
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# union PF ID with identical content, keep only one set per (party, year, var)
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text_data_before_dedup <- nrow(text_data)
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text_data <- text_data %>%
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distinct(country, party, year, var, .keep_all = TRUE)
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cat(sprintf(" Text data: %d unique parties after harmonization\n", n_distinct(text_data$party)))
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cat(sprintf(" Text data: deduplicated %d -> %d rows\n", text_data_before_dedup, nrow(text_data)))
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# Filter expert data: keep parties in text_data OR constituent parties of unions in text_data
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expert <- expert_raw %>%
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apply_simple_renames() %>%
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group_by(country, party, var, year) %>%
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summarise(
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val = mean(val, na.rm = TRUE),
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val_int = first(val_int),
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n_scale = first(n_scale),
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n_experts = first(n_experts),
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project = first(project),
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type_low = first(type_low),
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type_high = first(type_high),
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.groups = "drop"
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) %>%
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filter(party %in% unique(text_data$party) | party %in% constituent_parties)
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lr_data <- lr_data_raw %>%
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apply_simple_renames() %>%
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group_by(country, party, var, year) %>%
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summarise(
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val = mean(val, na.rm = TRUE),
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val_int = first(val_int),
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n_scale = first(n_scale),
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n_experts = first(n_experts),
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project = first(project),
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.groups = "drop"
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) %>%
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filter(party %in% unique(text_data$party) | party %in% constituent_parties)
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cat(sprintf(" Expert data: %d rows (filtered to text_data parties)\n", nrow(expert)))
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cat(sprintf(" LR data (CHES/POPPA): %d rows (filtered to text_data parties)\n", nrow(lr_data)))
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# ============================================================
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# Step 5b: Integrate Morgan L-R Data
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# ============================================================
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cat("\nStep 5b: Morgan L-R data integration\n")
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# Generate morgan_lr.csv (requires text_data.csv to exist)
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# We need to regenerate it if text_data changed or if forced
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if (!file.exists("morgan_lr.csv") || FORCE_RERUN_MORGAN) {
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cat(" Generating morgan_lr.csv...\n")
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# Write text_data first so morgan script can use it
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write_csv(text_data, "text_data.csv")
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source(file.path(script_dir, "process_morgan.R"))
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}
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# Load and integrate Morgan L-R data
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if (file.exists("morgan_lr.csv")) {
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morgan_lr <- read_csv("morgan_lr.csv", show_col_types = FALSE) %>%
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apply_simple_renames() %>%
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filter(party %in% unique(text_data$party) | party %in% constituent_parties)
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cat(sprintf(" Morgan L-R: %d rows (filtered to text_data parties)\n", nrow(morgan_lr)))
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cat(sprintf(" Morgan parties: %d\n", n_distinct(morgan_lr$party)))
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cat(sprintf(" Morgan year range: %d-%d\n", min(morgan_lr$year), max(morgan_lr$year)))
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# Combine with existing lr_data
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lr_data_before <- nrow(lr_data)
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lr_data <- bind_rows(lr_data, morgan_lr) %>%
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arrange(country, party, year, var)
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cat(sprintf(" Combined LR data: %d rows (+%d from Morgan)\n",
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nrow(lr_data), nrow(lr_data) - lr_data_before))
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} else {
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cat(" Warning: morgan_lr.csv not found, skipping Morgan integration\n")
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}
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cat("\n")
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# ============================================================
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# Step 6: Write Final Outputs
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# ============================================================
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cat("Step 6: Writing final outputs\n")
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write_csv(text_data, "text_data.csv")
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write_csv(expert, "expert.csv")
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write_csv(lr_data, "lr_data.csv")
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for (final_file in c("text_data.csv", "expert.csv", "lr_data.csv", "union_mapping.csv", "party_families.csv")) {
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file.copy(file.path(build_dir, final_file), file.path(generated_input_dir, final_file), overwrite = TRUE)
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}
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cat("\n============================================================\n")
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cat("Pipeline Complete!\n")
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cat("============================================================\n\n")
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cat("Output files written:\n")
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cat(sprintf(" local generated input dir: %s\n", generated_input_dir))
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cat(sprintf(" text_data.csv: %d rows\n", nrow(text_data)))
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cat(sprintf(" - Manifesto: %d rows\n", sum(grepl("_manifesto", text_data$var))))
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cat(sprintf(" - PolDem: %d rows\n", sum(grepl("_poldem", text_data$var))))
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cat(sprintf(" expert.csv: %d rows\n", nrow(expert)))
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cat(sprintf(" lr_data.csv: %d rows\n", nrow(lr_data)))
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cat(sprintf(" - CHES: %d rows\n", sum(lr_data$var == "lr_ches")))
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cat(sprintf(" - POPPA: %d rows\n", sum(lr_data$var == "lr_poppa")))
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cat(sprintf(" - Morgan: %d rows\n", sum(lr_data$var == "lr_morgan")))
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cat("\nUnique parties in text_data:", n_distinct(text_data$party), "\n")
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cat("Countries:", paste(sort(unique(text_data$country)), collapse = ", "), "\n")
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cat("Year range:", min(text_data$year, na.rm = TRUE), "-", max(text_data$year, na.rm = TRUE), "\n")
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