Modifying map colors
ggplot2 version 3.0 integrated the viridis color palettes, which are perceptually uniform and legible to colorblind individuals and in black and white. For these reasons, the viridis palettes have become very popular for data visualization, including for choropleth mapping. In this exercise, you'll learn how to use the viridis palettes for choropleth mapping in ggplot2.
Bu egzersiz
Analyzing US Census Data in R
kursunun bir parçasıdırEgzersiz talimatları
- Set a color aesthetic to align the color palettes of the tract fills and tract boundaries.
- Use
scale_fill_viridis_c()to request a continuous viridis palette for the tract fill. - Use
scale_color_viridis_c()to request a continuous viridis palette for the tract borders.
Uygulamalı interaktif egzersiz
Bu örnek kodu tamamlayarak bu egzersizi bitirin.
# Set continuous viridis palettes for your map
ggplot(___, aes(fill = ___, ___ = estimate)) +
geom_sf() +
___() +
___()