我在代码中设置中断时遇到了困难,我尝试添加break = seq(0,100,by = 20),但似乎无法让它正常工作.基本上我希望Y轴从0到100,每20个刻度.
YearlyCI <- read.table(header=T, text='
Station Year CI se
M-25 2013 56.57098 1.4481561
M-45 2013 32.39036 0.6567439
X-2 2013 37.87488 0.7451653
M-25 2008 74.5 2.4
M-45 2008 41.6 1.1
M-25 2004 82.2 1.9
M-45 2004 60.6 1.0
')
library(ggplot2)
ggplot(YearlyCI, aes(x=Year, y=CI, colour=Station,group=Station)) +
geom_errorbar(aes(ymin=CI-se, ymax=CI+se), colour="black", width=.2) +
geom_line(size=.8) +
geom_point(size=4, shape=18) +
coord_cartesian(ylim = c(0, 100)) +
xlab("Year") +
ylab("Mean Condition Index") +
labs(fill="") +
theme_bw() +
theme(legend.justification=c(1,1), legend.position=c(1,1))
Run Code Online (Sandbox Code Playgroud) 我正在尝试修复错误栏,以便它们在我的图表上实际上是可读的。唯一引起问题的是 2013 年的数据。我该怎么做?我看到了一些关于抖动或闪避的帖子,但我不确定如何应用它来解决我的问题。
这是我试图改变的代码:
YearlyDensity <- read.table(header=T, text='
Station Year mean se
M-25 2013 8944.444 3636.871
M-25 2008 4212 2371
M-25 2004 963 291
M-45 2013 8495.169 2111.072
M-45 2008 13023 1347
M-45 2004 8748 1740
X-2 2013 12345.411 1166.905
')
library(ggplot2)
ggplot(YearlyDensity, aes(x=Year, y=mean, colour=Station,group=Station)) +
geom_errorbar(aes(ymin=mean-se, ymax=mean+se), colour="black", width=.2) +
geom_line(size=.8) +
geom_point(size=4, shape=18) +
coord_cartesian(ylim = c(0, 16000)) +
scale_y_continuous(breaks=seq(0,16000,2000)) +
xlab("Sampling Year") +
ylab("Mean Density") +
labs(fill="") +
theme_bw() +
theme(legend.justification=c(1,0), legend.position=c(1,0))
Run Code Online (Sandbox Code Playgroud)