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ggplot2: Legends - Part 1
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# install | |
install.packages('ggplot2') | |
install.packages('readr') | |
# library | |
library(ggplot2) | |
library(readr) | |
# Basic Plot | |
ggplot(mtcars) + | |
geom_point(aes(disp, mpg, color = factor(cyl))) | |
# Title | |
ggplot(mtcars) + | |
geom_point(aes(disp, mpg, color = factor(cyl))) + | |
scale_color_manual(name = "Cylinders", | |
values = c("red", "blue", "green")) | |
# Values | |
ggplot(mtcars) + | |
geom_point(aes(disp, mpg, color = factor(cyl))) + | |
scale_color_manual(values = c("red", "blue", "green")) | |
# Labels | |
ggplot(mtcars) + | |
geom_point(aes(disp, mpg, color = factor(cyl))) + | |
scale_color_manual(values = c("red", "blue", "green"), | |
limits = c(4, 6, 8)) | |
# Limits | |
ggplot(mtcars) + | |
geom_point(aes(disp, mpg, color = factor(cyl))) + | |
scale_color_manual(values = c("red", "blue", "green"), | |
labels = c('Four', 'Six', 'Eight')) | |
# Breaks | |
ggplot(mtcars) + | |
geom_point(aes(disp, mpg, color = factor(cyl))) + | |
scale_color_manual(values = c("red", "blue", "green"), | |
breaks = c(4, 6, 8)) | |
# Putting it all together | |
ggplot(mtcars) + | |
geom_point(aes(disp, mpg, color = factor(cyl))) + | |
scale_color_manual(name = "Cylinders", values = c("red", "blue", "green"), | |
labels = c('Four', 'Six', 'Eight'), limits = c(4, 6, 8), breaks = c(4, 6, 8)) | |
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