Move title position to centre

Code

Code

starwars %>% 
  drop_na(sex) %>% 
  ggplot(aes(sex, height, fill = sex)) +
  geom_col() +
  theme_nice() +
  labs(title = "Categorised by sex and height") +
  theme(plot.title = element_text(hjust = 0.5))

Graph

Graph without changes

Spread title over 2 lines

Code

Code

starwars %>% 
  drop_na(sex) %>% 
  ggplot(aes(sex, height, fill = sex)) +
  geom_col() +
  theme_nice() +
  labs(title = "Starwars characters categorised \nby height and sex") # Place "\n" where you want the line break to be

Graph

Graph without changes