Ridge Plots

library("ggridges")
library("patchwork")
library("tidyverse")

# load data
df <- readr::read_csv("BioSQuaRE_data.csv")

# wrangling
df$term <- factor(df$term,
                  levels = c("Summer 2020","Fall 2020",
                             "Spring 2021", "Fall 2021"))

df_pre <- df |> filter(iter == "pre-test")
df_post <- df |> filter(iter == "post-test")

plot_pre <- df_pre |>
  ggplot(aes(x = Item, y = term, height = UCMer, group = term)) +
  geom_ridgeline(color = "#DAA900", fill = "#002856") +
  labs(title = "BioSQuaRE Results",
       subtitle = "pre-test",
       caption = "",
       x = "Test Question",
       y = "") +
  theme(
    axis.title.x = element_text(size = 20, color = "#DAA900",
                               vjust = -1.25),
    axis.text.x = element_blank(),
    axis.text.y = element_text(size = 20, color = "#DAA900",
                               vjust = -1.25),
    axis.ticks = element_blank(),
    panel.background = element_rect(fill = "#002856"),
    panel.grid.major = element_blank(),
    panel.grid.minor = element_blank(),
    plot.background = element_rect(fill = "#002856"),
    plot.title = element_text(face = "bold", size = 30,
                              color = "#DAA900", hjust = 0.5),
    plot.subtitle = element_text(size = 20,
                              color = "#DAA900", hjust = 0.5)
  )

plot_post <- df_post |>
  ggplot(aes(x = Item, y = term, height = UCMer, group = term)) +
  geom_ridgeline(color = "#DAA900", fill = "#002856") +
  labs(title = "",
       subtitle = "post-test",
       caption = "UC Merced",
       x = "Test Question",
       y = "") +
  scale_y_discrete(position = "right") +
  theme(
    axis.title.x = element_text(size = 20, color = "#DAA900",
                               vjust = -1.25),
    axis.text.x = element_blank(),
    axis.text.y = element_text(size = 20, color = "#DAA900",
                               vjust = -1.25),
    axis.ticks = element_blank(),
    panel.background = element_rect(fill = "#002856"),
    panel.grid.major = element_blank(),
    panel.grid.minor = element_blank(),
    plot.background = element_rect(fill = "#002856"),
    plot.title = element_text(face = "bold", size = 30,
                              color = "#DAA900", hjust = 0.5),
    plot.subtitle = element_text(size = 20,
                              color = "#DAA900", hjust = 0.5),
    plot.caption = element_text(size = 15,
                              color = "#DAA900", hjust = 1.0)
  )