################################################################# ---
## 엑셀파일 유권자 투개표 : 지방선거/시도지사 ##
## 개발자: 이광춘 ##
## 최종수정일: 2022-12-25 ##
################################################################# ---
# 제8회 지방선거 - 시도지사 -------------
library(tidyverse)
library(readxl)
library(testthat)
library(here)
library(httr)
##---------------------------------------------------------------- --
## 제8회 지방선거 시도지사 (2022) --
##---------------------------------------------------------------- --
# 출처: https://www.nec.go.kr/site/nec/ex/bbs/View.do?cbIdx=1129&bcIdx=187608
# 1. 데이터 가져오기 ---------------------------
local_sido_2022_excel <- read_excel("Z:/dataset/선거데이터/01_대선_총선_지선_데이터/03_지방선거/제8회_지선_2022/시도지사선거.xlsx", sheet="시·도지사선거", skip=0,
col_types = c(rep("text", 15)))
local_sido_2022_raw <- local_sido_2022_excel %>%
group_by(선거구명) %>%
nest() %>%
ungroup() %>%
filter(!is.na(선거구명))
# 2. 시도별로 데이터 전처리 -----
## 2.1. 변수명 깔끔하게 하는 함수 -------
clean_colnames <- function(df) {
# 티블 변수명 정리를 위한 임시 저장소
local_colnames_tbl <- df %>%
janitor::clean_names(ascii = FALSE)
# 티블 변수명 전반부 (확정)
local_colnames_first <- local_colnames_tbl %>%
select(구시군명:투표수) %>%
colnames() %>%
dput()
# 티블 변수명 후반부 (첫번째 행에서 가져옮)
local_colnames_second <- local_colnames_tbl %>%
slice(1) %>%
select(후보자별_득표수:기권수) %>%
unlist %>% as.vector(.) %>%
dput()
local_colnames_second[length(local_colnames_second)-1] <- "무효투표수"
local_colnames_second[length(local_colnames_second)] <- "기권수"
# 변수명 결합
local_colnames_v <- c(local_colnames_first, local_colnames_second)
clean_tbl <- local_colnames_tbl %>%
set_names(local_colnames_v) %>%
janitor::clean_names(ascii = FALSE) %>%
slice(2:n()) %>%
select(!starts_with("x"))
return(clean_tbl)
}
## 2.2. 시도별 변수명 작업 수행 -------
clean_variable <- function(raw_data) {
clean_tbl <- raw_data %>%
filter(읍면동명 != "계") %>%
mutate(구분 = ifelse(is.na(구분), 읍면동명, 구분)) %>%
mutate(across(선거인수:기권수, parse_number)) %>%
filter(구분 != "소계",
읍면동명 != "합계")
return(clean_tbl)
}
local_sido_20220601 <- local_sido_2022_raw %>%
mutate(data = map(data, clean_colnames) ) %>%
mutate(data = map(data, clean_variable))
# 3. 단위테스트 검증 -------------
test_that("지방선거 2022 후보득표검증", {
# 서울시장 후보 단위테스트 검정
local_2022_seoul_check <- local_sido_20220601 %>%
filter(`선거구명` == "서울특별시") %>%
pull(data) %>% .[[1]] %>%
summarise(`더불어민주당_송영길` = sum(`더불어민주당_송영길`),
`국민의힘_오세훈` = sum(`국민의힘_오세훈`),
`정의당_권수정` = sum(`정의당_권수정`),
`기본소득당_신지혜` = sum(`기본소득당_신지혜`),
`무소속_김광종` = sum(`무소속_김광종`))
expect_that( local_2022_seoul_check$`더불어민주당_송영길`, equals(parse_number("1,733,183")))
expect_that( local_2022_seoul_check$`국민의힘_오세훈`, equals(parse_number("2,608,277")))
expect_that( local_2022_seoul_check$`정의당_권수정`, equals(parse_number("53,840")))
expect_that( local_2022_seoul_check$`기본소득당_신지혜`, equals(parse_number("12,619")))
expect_that( local_2022_seoul_check$`무소속_김광종`, equals(parse_number("9,000")))
local_2022_jeju_check <- local_sido_20220601 %>%
filter(`선거구명` == "제주특별자치도") %>%
pull(data) %>% .[[1]] %>%
summarise(`더불어민주당_오영훈` = sum(`더불어민주당_오영훈`),
`국민의힘_허향진` = sum(`국민의힘_허향진`),
`녹색당_부순정` = sum(`녹색당_부순정`),
`무소속_박찬식` = sum(`무소속_박찬식`))
expect_that( local_2022_jeju_check$`더불어민주당_오영훈`, equals(parse_number("163,116")))
expect_that( local_2022_jeju_check$`국민의힘_허향진`, equals(parse_number("116,786")))
expect_that( local_2022_jeju_check$`녹색당_부순정`, equals(parse_number("5,750")))
expect_that( local_2022_jeju_check$`무소속_박찬식`, equals(parse_number("10,138")))
})
# 4. 내보내기 -------------
local_sido_20220601 <- clean_varnames(local_sido_20220601)
local_sido_20220601 <- local_sido_20220601 %>%
mutate(data = map(data, clean_varnames))
usethis::use_data(local_sido_20220601, overwrite = TRUE)
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