script.R

# paquetes ----------------------------------------------------------------

library(glue)
library(ggtext)
library(showtext)
library(tidyverse)

# fuente ------------------------------------------------------------------

# colores

c1 <- "grey10"
c2 <- "grey30"
c3 <- "grey70"
c4 <- "grey90"
c5 <- "#96410D"
c6 <- "#2B614E"

# fuente: Ubuntu
font_add(
  family = "ubuntu", 
  regular = "fuente/Ubuntu-Regular.ttf",
  bold = "fuente/Ubuntu-Bold.ttf",
  italic = "fuente/Ubuntu-Italic.ttf")

# fuente: Bebas Neue
font_add(
  family = "bebas", 
  regular = "fuente/BebasNeue-Regular.ttf")

# monoespacio & íconos
font_add(
  family = "jet", 
  regular = "fuente/JetBrainsMonoNLNerdFontMono-Regular.ttf")

showtext_auto()
showtext_opts(dpi = 300)

# caption
fuente <- glue(
  "Datos: <span style='color:{c5};'><span style='font-family:mono;'>",
  "{{<b>tidytuesdayR</b>}}</span> semana {18}. ",
  "Worldwide Bureaucracy Indicators, <b>World Bank</b>.</span>")
autor <- glue("<span style='color:{c5};'>**Víctor Gauto**</span>")
icon_twitter <- glue("<span style='font-family:jet;'>&#xf099;</span>")
icon_instagram <- glue("<span style='font-family:jet;'>&#xf16d;</span>")
icon_github <- glue("<span style='font-family:jet;'>&#xf09b;</span>")
icon_mastodon <- glue("<span style='font-family:jet;'>&#xf0ad1;</span>")
usuario <- glue("<span style='color:{c5};'>**vhgauto**</span>")
sep <- glue("**|**")

mi_caption <- glue(
  "{fuente}<br>{autor} {sep} {icon_github} {icon_twitter} {icon_instagram} ",
  "{icon_mastodon} {usuario}")

# datos -------------------------------------------------------------------

tuesdata <- tidytuesdayR::tt_load(2024, 18)

wwbi_data <- tuesdata$wwbi_data
wwbi_series <- tuesdata$wwbi_series

# me interesan las edades de empleados públicos y privados, en educación y 
# salud en Argentina

# agrego las descripciones de los códigos de los indicadores y filtro por 
# Argentina
d_arg <- wwbi_data |> 
  filter(country_code == "ARG") |> 
  inner_join(
    wwbi_series,
    by = join_by(indicator_code)
  ) |> 
  select(año = year, valor = value, indicador = indicator_name)

# edad de empleados públicos y privados
edad_publicos <- "Mean age of public paid employees, by"
edad_privados <- "Mean age of private paid employees, by"

# profesiones
profesiones <- c("Education|Health")

# filtro por empleados públicos y privados, y por las profesiones
d <- d_arg |> 
  filter(str_detect(indicador, glue("{edad_privados}|{edad_publicos}"))) |> 
  filter(str_detect(indicador, profesiones)) |> 
  mutate(sector = if_else(
    str_detect(indicador, "private"),
    "privado",
    "público"
  )) |> 
  mutate(prof = str_replace(indicador, ".*\\: (.*)", "\\1")) |> 
  select(-indicador) |> 
  mutate(
    prof = if_else(
      prof == "Education",
      "Educación",
      "Salud"
    )
  )

# figura ------------------------------------------------------------------

# íconos para empleados públicos y privados
icon_triangulo <- glue("<b style='font-family:jet; color:{c5};'>&#xf0537;</b>")
icon_circulo <- glue("<b style='font-family:jet; color:{c6};'>&#xeabc;</b>")

# subtítulo
mi_subtitle <- glue(
  "En <b>Argentina</b>, entre {min(d$año)} y {max(d$año)}, aumentó la <b>edad ",
  "promedio</b> de los empleados en<br>",
  "educación y salud, siendo los trabajadores ",
  "<b style='color:{c5};'>públicos</b> ({icon_triangulo}) mayores que los ",
  "<b style='color:{c6};'>privados</b> ({icon_circulo})."
)

# título eje vertical
eje_y <- "Edad <b style='font-family:jet;'>&#xf178; &#xf178; &#xf178;</b>"

# figura
g <- ggplot(d, aes(año, valor, shape = sector, color = sector)) +
  # tendencias
  geom_line(
    stat = "smooth", method = lm, formula = y ~ x, linewidth = 2,
    lineend = "round", alpha = .4) +
  geom_line(
    stat = "smooth", method = lm, formula = y ~ x, linewidth = .5,
    lineend = "square", color = c4) +
  # puntos
  geom_point(size = 2, alpha = 1) +
  geom_point(size = .5, alpha = 1, color = c4) +
  facet_wrap(vars(prof), nrow = 1, scales = "free") +
  scale_x_continuous(
    limits = c(2000, 2017), expand = c(0, 0), breaks = scales::breaks_width(5),
    minor_breaks = 2000:2017) +
  scale_y_continuous(
    limits = c(37, 45), expand = c(0, 0), breaks = scales::breaks_width(1)) +
  scale_color_manual(
    values = c(c6, c5)) +
  coord_cartesian(clip = "off") +
  labs(x = NULL, y = eje_y, subtitle = mi_subtitle, caption = mi_caption) +
  theme_void() +
  theme(
    aspect.ratio = 1,
    plot.margin = margin(l = 20, r = 20, b = 10, t = 15.3),
    plot.background = element_rect(fill = c4, linewidth = 3, color = c3),
    plot.subtitle = element_markdown(
      color = c1, family = "ubuntu", size = 13, lineheight = unit(1.1, "line"),
      margin = margin(b = 18)),
    plot.caption = element_markdown(
      size = 8, color = c2, family = "ubuntu", margin = margin(t = 20)),
    panel.grid.major = element_line(color = c3, linetype = 2, linewidth = .17),
    panel.grid.minor.x = element_line(color = c3, linetype = 3, linewidth = .1),
    panel.spacing.x = unit(3, "line"),
    axis.ticks = element_line(color = c3),
    axis.ticks.length = unit(2, "mm"),
    axis.text.x = element_text(
      family = "bebas", color = c2, size = 22, hjust = 0,
      margin = margin(t = 5)),
    axis.text.y = element_text(
      family = "jet", color = c2, vjust = 0, margin = margin(r = 5),
      size = 8),
    
    axis.title.y = element_markdown(
      color = c3, family = "ubuntu", size = 15, angle = 90, 
      margin = margin(r = 10)),
    
    strip.text = element_text(
      family = "ubuntu", color = c2, size = 20, margin = margin(b = 10)),
    legend.position = "none"
  )

# guardo
ggsave(
  plot = g,
  filename = "2024/s18/viz.png",
  width = 30,
  height = 18,
  units = "cm")

# abro
browseURL("2024/s18/viz.png")