我将与以下类似的数据集一起工作:
head(nomis.lng.agg)
quarter decile avg.val
1 2004 Q4 1 5.680000
2 2005 Q1 1 5.745763
3 2005 Q2 1 5.503341
4 2005 Q3 1 5.668224
5 2005 Q4 1 5.244604
6 2006 Q1 1 5.347222
变量quarter是由zoo
生成的yearqtr
类。其余两列是数字。我正在生成一个使用以下ggplot
语法的图:
ggplot(data = subset(x = df,
subset = df$decile== 1 |
df$decile== 10),
aes(x = quarter, y = avg.val, group = decile)) +
geom_line(aes(linetype=as.factor(decile)),
size = 1) +
scale_x_yearqtr(format = "%YQ%q", n = 5) +
xlab("Quarter") +
ylab("Average val") +
ggtitle("Plot") +
scale_linetype_discrete(name="Legend") +
theme(panel.background = element_blank(),
axis.line = element_line(colour = "black"),
axis.text = element_text(size = 12, colour = "black"),
axis.title = element_text(size = 14, colour = "black"),
panel.grid.minor = element_blank(),
panel.grid.major.y = element_line(colour = "gray"),
panel.grid.major.x = element_blank(),
axis.text = element_text(size = 12, colour = "black"),
legend.text = element_text(size = 12),
legend.title = element_text(size = 12),
legend.key.width=unit(1.5,"cm"),
legend.position = "bottom",
legend.key = element_rect(fill = "white"),
legend.background = element_rect(colour = "black"),
plot.title = element_text(face="bold"),
plot.background = element_rect(colour = "black"))
图表几乎完美,除了x轴。当前的x轴看起来是这样的:
![broken axis](https://istack.dev59.com/sXSyH.webp)
scale_x_yearqtr(format = "%YQ%q", n = 5)
。由于我的数据从2004年第四季度开始,我不想绘制2004年第一季度,但我想设置界限为:scale_x_yearqtr(format = "%YQ%q",
limits=c(min(quarter), max=max(quarter)))
然而,尽管如此,这并没有产生期望的结果:
min(df$quarter)
[1] "2004 Q4"