Customizing geom_sf() plots

As you've learned in previous chapters, it is a good idea to clean up and format your ggplot2 visualizations before sharing with others. In this exercise, you'll make some modifications to your map of Texas House districts such as removing the gridlines and adding an informative title.

แบบฝึกหัดนี้เป็นส่วนหนึ่งของหลักสูตร

Analyzing US Census Data in R

ดูคอร์ส

คำแนะนำการฝึกหัด

Specify that you'll be drawing a ggplot, with the legislative district fill set to Party.
Set the datum to NA in coord_sf() to remove the gridlines behind the map.
Give the map an informative title.

แบบฝึกหัดเชิงโต้ตอบแบบลงมือทำ

ลองทำแบบฝึกหัดนี้โดยเติมโค้ดตัวอย่างนี้ให้สมบูรณ์

# Draw a ggplot without gridlines and with an informative title
___(tx_joined, ___(___ = Party)) + 
  ___() + 
  coord_sf(crs = 3083, ___ = NA) + 
  ___(values = c("R" = "red", "D" = "blue")) + 
  theme_minimal(base_size = 16) + 
  labs(___ = "State House Districts in Texas")

แก้ไขและรันโค้ด