script.R

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

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

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

# colores
c1 <- "#1F77B4"
c2 <- "#E377C2"
c3 <- "#9467BD"
c4 <- "grey90"
c5 <- "#F0F0F0"

# 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"
)

showtext_auto()
showtext_opts(dpi = 300)

# caption
fuente <- glue(
  "Datos: <span style='color:{c3};'><span style='font-family:jet;'>",
  "{{<b>tidytuesdayR</b>}}</span> semana {37}, ",
  "<b>Opportunity Insights</b>.</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, 37)
college_admissions <- tuesdata$college_admissions

# me interesa comparar la admisión a universidades top y públicas, según los
# ingresos del hogar

d <- college_admissions |> 
  select(par_income_lab, par_income_bin, rel_att_cond_app, tier) |> 
  filter(
    tier %in% c("Ivy Plus", "Selective public")
  ) |> 
  mutate(par_income_lab = fct_reorder(par_income_lab, par_income_bin)) |> 
  drop_na()

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

# subtítulo y títulos de eje
mi_subtítulo <- glue(
  "Las <b style='color:{c1};'>Universidades de Elite</b> tienden a aceptar",
  "las solicitudes de inscripción de los más pudientes,",
  "comparado con las <b style='color:{c2};'>Universidades Públicas</b>.",
  .sep = "<br>"
)

eje_x <- glue(
  "Relación entre la asistencia",
  "y las aplicaciones universitarias",
  .sep = "<br>"
)

eje_y <- glue(
  "Percentil de ingresos",
  "en el hogar",
  .sep = "<br>"
)

# figura
g <- ggplot(
  d,
  aes(rel_att_cond_app, par_income_lab, color = tier, shape = tier)
) +
  geom_jitter(alpha = .4, size = 7, height = .2) +
  scale_color_manual(
    values = c(c1, c2),
    breaks = c("Ivy Plus", "Selective public"),
    labels = c("Ivy Plus", "Pública selectiva")
  ) +
  scale_shape_manual(
    values = c(18, 20),
    breaks = c("Ivy Plus", "Selective public"),
    labels = c("Ivy Plus", "Pública selectiva")
  ) +
  scale_x_continuous(
    minor_breaks = scales::breaks_width(.1)
  ) +
  labs(
    x = eje_x, y = eje_y, color = NULL, shape = NULL, subtitle = mi_subtítulo,
    caption = mi_caption) +
  guides(
    color = guide_legend(
      override.aes = list(alpha = 1), ncol = 1)
  ) +
  theme_fivethirtyeight() +
  theme(
    aspect.ratio = 1,
    plot.title.position = "plot",
    plot.background = element_rect(fill = c4),
    plot.subtitle = element_markdown(
      family = "ubuntu", size = 20, lineheight = unit(1.3, "line"), fill = c5,
      padding = unit(.2, "cm")
    ),
    plot.caption = element_markdown(
      family = "ubuntu", size = 11, color = c1, hjust = 1,
      lineheight = unit(1.2, "line")
    ),
    panel.grid = element_line(linetype = "55"),
    axis.text = element_text(family = "jet", size = 12),
    axis.title.y = element_markdown(
      family = "ubuntu", size = 15, angle = 0, vjust = .5, hjust = 1,
      lineheight = unit(1.3, "line"), fill = c5, padding = unit(.1, "cm")
    ),
    axis.title.x = element_markdown(
      family = "ubuntu", size = 15, lineheight = unit(1.3, "line"), hjust = 0,
      margin = margin(t = 5), fill = c5, padding = unit(.1, "cm")
    ),
    legend.text = element_text(family = "ubuntu", size = 12),
    legend.position = "inside",
    legend.background = element_rect(fill = c5),
    legend.key = element_blank(),
    legend.justification.inside = c(1, .5),
    legend.position.inside = c(1, .5)
  )

# guardo
ggsave(
  plot = g,
  filename = "2024/s37/viz.png",
  width = 30,
  height = 26,
  units = "cm")

# abro
browseURL(glue("{getwd()}/2024/s37/viz.png"))