ข้อมูล Nabular และการสรุปผลตามค่าที่หายไป

# Explore the distribution of wind east west (wind_ew) for the missingness of air temperature 
# using geom_density() and faceting by the missingness of air temperature (air_temp_c_NA).
___ %>%
  bind_shadow(___) %>%
  ggplot(aes(x = ___)) + 
  geom_density() + 
  facet_wrap(~___)

# Build upon this visualization by coloring by the missingness of humidity (humidity_NA).
___ %>%
  ___(___) %>%
  ggplot(aes(x = ___,
             color = ___)) + 
  geom_density() + 
  ___(~___)