我已经看了一段时间了,有人看到这个 ggplot 语法有什么问题吗?我收到此错误:
Error: Discrete value supplied to continuous scale
这是z:
Month Value
1 2011-01-01 11
2 2011-02-01 5
3 2011-03-01 6
4 2011-04-01 6
5 2011-05-01 4
6 2011-06-01 5
7 2011-07-01 3
8 2011-08-01 9
9 2011-09-01 19
10 2011-10-01 3
11 2011-11-01 6
12 2011-12-01 2
13 2012-01-01 1
14 2012-02-01 4
15 2012-04-01 1
16 2012-05-01 2
17 2012-06-01 11
18 2012-07-01 5
ggplot(z, aes(Month, Value)) +
geom_bar(fill="orange",size=.3) +
theme_bw() + scale_x_discrete(name="Date") +
scale_y_continuous("Number") +
opts(title="Monthly issues",
axis.title.x = theme_text(face="bold", colour="#990000"),
axis.text.x = theme_text(angle=90),
axis.title.y = theme_text(face="bold", colour="#990000", angle=90)
) +
geom_smooth(data=z,aes(Month,Value,group=1), method="lm", size=2, color="darkblue")