谨慎使用颜色
R 中的 plotly 交互式数据可视化
Adam Loy
Statistician, Carleton College
添加第三个变量
wine %>%
plot_ly(x = ~Flavanoids, y = ~Alcohol, color = ~Type) %>%
add_markers()
添加定量变量
wine %>%
plot_ly(x = ~Flavanoids, y = ~Alcohol, color = ~Color) %>%
add_markers()
RColorBrewer 调色板
wine %>%
plot_ly(x = ~Flavanoids, y = ~Alcohol, color = ~Type) %>%
add_markers(colors = "Dark2")
自定义调色板
wine %>%
plot_ly(x = ~Flavanoids, y = ~Alcohol, color = ~Type) %>%
add_markers(colors = c("orange", "black", "skyblue"))
