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ggtext examples and exercises

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Your Turn

Adjust the code below, using ggtext to make the word ‘plastic’ bold in the title and wrapping the subtitle so it is multi-line.


##Your turn

#Use ggtext to make the word 'plastic' bold in the title
#and wrap the subtitle so it is multi-line

plastics <- readr::read_csv('')

plastics %>%
  group_by(year) %>%
  summarize(total = sum(grand_total, na.rm = TRUE)) %>%
  ggplot() +
  geom_bar(aes(x = "", y = total, fill = as.character(year)), stat = "identity", width = 1) +
  coord_polar("y", start = 0) +
  theme_minimal() +
  labs(title = "Plastic pollution, by year", fill = "",
       subtitle = "This is a really really really long subtitle that has tons of detail about your methods and data and even more info beyond that") +
  theme(axis.title = element_blank(), panel.grid = element_blank(),
        axis.text = element_blank())

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Deepak Varughese

Deepak Varughese

January 29, 2023

Can i not use the same approach to create a multiline subtitle for a combination of plots using patchwork? It throws the following error

"Error: gridtext has encountered a tag that isn't supported yet: Only a very limited number of tags are currently supported. "