我想更改图例标签:而不是彩色十六进制代码,而是使用“速度”,“温度”和“压力”。
ggplot(f1, aes(timestamp)) +
geom_point(aes(y=speed, color="#e41a1c")) +
geom_point(aes(y=pressure, color="#377eb8")) +
geom_point(aes(y=temperature, color="#4daf4a"))
答案 0 :(得分:0)
您可以尝试以下方法:
ggplot(f1, aes(timestamp)) +
geom_point(aes(y=speed, color="speed")) +
geom_point(aes(y=pressure, color="pressure")) +
geom_point(aes(y=temperature, color="temperature"))
要调整颜色,您可以执行以下操作:
ggplot(f1, aes(timestamp)) +
geom_point(aes(y=speed, color="speed")) +
geom_point(aes(y=pressure, color="pressure")) +
geom_point(aes(y=temperature, color="temperature"))+
scale_color_manual("variable", values=c("red", "yellow", "blue")) #or your hex-codes