我通过以下线条在 sme x 轴上绘制两条线。我正在实施下线,但看不到颜色和图例
ggplot(final, aes(x = Date)) + geom_line(aes(y = cocastock)) + geom_line(aes(y = procterstock)) + scale_color_manual(values = c(cocastock = '#008B00', procterstock = '#FFFFFF'))
也尝试过
ggplot(final, aes(x = Date)) + geom_line(aes(y = cocastock)) + geom_line(aes(y = procterstock)) + scale_color_manual(values = c('#008B00','#FFFFFF'))
但剂量不起作用
scale_colour_manual
仅在您在 aes
中指定了颜色时才有效,因此您需要:
ggplot(final, aes(x = Date)) +
geom_line(aes(y = cocastock, colour = "cocastock")) +
geom_line(aes(y = procterstock, colour = "procterstock")) +
scale_color_manual(values = c(cocastock = '#008B00', procterstock = '#FFFFFF'))