script.R

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

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

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

# colores
c1 <- "#4FB6CA"
c2 <- "#178F92"
c3 <- "#175F5D"
c4 <- "#054544"
c5 <- "#4E3810"
c6 <- "grey30"
c7 <- "#EDE2CC"
arcoiris <- c("#E40303", "#FF8C00", "#FFED00", "#008026", "#24408E", "#732982")

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

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

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

showtext_auto()
showtext_opts(dpi = 300)

# caption
fuente <- glue(
  "Datos: <span style='color:{c3};'><span style='font-family:jet;'>",
  "{{<b>tidytuesdayR</b>}}</span> semana {24}, ",
  "Campus Pride Index.</span>")
autor <- glue("<span style='color:{c3};'>**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:{c3};'>**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, 24)

pride_index <- tuesdata$pride_index
pride_index_tags <- tuesdata$pride_index_tags

# me interesa analizar el índice agrupado por estado, y la cantidad de
#  estudiantes

d <- inner_join(
  pride_index_tags,
  pride_index,
  by = join_by(campus_name, campus_location)
) |> 
  mutate(
    estado = str_sub(campus_location, start = -2, end = -1), .before = 2
  ) |> 
  select(rating, estado, students) |> 
  reframe(
    r = median(rating),
    s = sum(students),
    .by = estado
  ) |> 
  mutate(estado = fct_reorder(estado, r)) |> 
  arrange(estado) |> 
  mutate(
    label_x = if_else(
      row_number() %% 2 == 0,
      r - .17,
      r + .17
    )
  )


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

# estrellas en el eje horizontal
estrella <- glue(
  "<span style='font-family:jet;'>&#xf005;</span>")

eje_x <- seq(1, 5, 1)
eje_x_nombres <- c(
  estrella,
  glue("{str_flatten(rep(estrella, 2))}"),
  glue("{str_flatten(rep(estrella, 3))}"),
  glue("{str_flatten(rep(estrella, 4))}"),
  glue("{str_flatten(rep(estrella, 5))}")
)

names(eje_x) <- eje_x_nombres

# subtítulo
mi_subtitulo <- glue(
  "<br><br>El <b>Campus Pride Index</b>, de rango 1 a 5,<br>",
  "permite puntuar la tolerancia a la comunidad<br>",
  "<b style='color:{c1}'>LGBTQ</b> en ámbitos universitarios de EE.UU.<br><br>",
  "Tomando {nrow(pride_index)} instituciones, cada círculo<br>",
  "representa la mediana del índice en las<br>",
  "universidades de cada Estado, siendo el<br>",
  "tamaño proporcional al número de<br>",
  "estudiantes."
)

# figura
g <- ggplot(d, aes(r, estado)) +
  geom_point(alpha = .7, aes(size = s, color = r)) +
  geom_text(
    aes(label = estado, x = label_x), family = "jet", color = c6, 
    fontface = "bold", size = 6, show.legend = FALSE) +
  annotate(
    geom = "richtext", x = I(.01), y = I(nrow(d)), hjust = 0, vjust = 1, 
    family = "ubuntu", label = mi_subtitulo, size = 8, color = c6, fill = c7,
    label.color = NA
  ) +
  scale_x_continuous(
    breaks = eje_x,
    limits = c(1, 5.2),
    labels = names(eje_x)
  ) +
  scale_color_gradientn(colors = arcoiris) +
  scale_size_binned(
    breaks = c(1e5, 2e5),
    labels = c("100.000", "200.000"),
    range = c(1, 20)
  ) +
  coord_cartesian(clip = "off", expand = FALSE) +
  labs(
    x = NULL, y = NULL, caption = mi_caption,
    size = "Cantidad total<br>de estudiantes<br>universitarios"
    ) +
  guides(
    color = guide_none(),
    size = guide_bins(
      override.aes = list(fill = NA, color = c6),
      position = "inside")
  ) +
  theme_minimal() +
  theme(
    aspect.ratio = 1.3,
    plot.margin = margin(t = 21.3, b = 10, l = 37, r = 37),
    plot.background = element_rect(fill = c7, color = c2, linewidth = 3),
    plot.caption = element_markdown(
      color = c5, family = "ubuntu", size = 16, margin = margin(t = 13)),
    panel.grid.major.y = element_blank(),
    panel.grid.minor.y = element_blank(),
    panel.grid.major.x = element_line(
      linewidth = .2, linetype = "66", color = c6),
    panel.grid.minor.x = element_line(
      linewidth = .1, linetype = "66", color = c6),
    axis.text.x = element_markdown(
      size = 40, color = c5, margin = margin(t = 14)),
    axis.text.y = element_blank(),
    legend.justification.inside = c(.01, .4),
    legend.text = element_text(family = "jet", size = 20, color = c6),
    legend.background = element_rect(fill = c7, color = NA),
    legend.title = element_markdown(family = "ubuntu", size = 20, color = c6)
  )

# guardo
ggsave(
  plot = g,
  filename = "2024/s24/viz.png",
  width = 30,
  height = 40,
  units = "cm")

# abro
browseURL("2024/s24/viz.png")