## vjust = 1, margin = margin(b = half_line)), plot.title.position = "panel", ## plot.subtitle = element_text(hjust = 0, vjust = 1, margin = margin(b = half_line)), ## plot.caption = element_text(size = rel(0.8), hjust = 1, ## vjust = 1, margin = margin(t = hal...
geom_hline和geom_vline分别用来添加水平线(horizontal)和垂直线(vertical) plot + geom_hline(yintercept =300) + geom_vline(xintercept =20) 如果只是要添加单条或者多条确定的直线,则只需要设置yintercept和xintercept参数即可。当然,可以通过colour,size,linetype来设置线条的外观等。 plot + geom_hline(y...
2010,2011,2012,2013,2014,2015) value <- runif(15, min = 10, max = 50) df <- data.frame(year = year, value = vlaue) ggplot(data = df, mapping = aes(x = year, y = value)) + geom_line() + geom_point()
1. 水平和垂直线 rm(list=ls())library(ggplot2)# Simple scatter plotsp<-ggplot(data=mtcars,aes(x=wt,y=mpg))+geom_point()# Add horizontal line at y = 2Osp+geom_hline(yintercept=20)# Change line type and colorsp+geom_hline(yintercept=20,linetype="dashed",color="red")# Change li...
参考ggplot2 - shade area between two vertical lines library(ggplot2)data(mtcars)ggplot(mtcars,aes(x=drat,y=hp))+geom_line()+geom_rect(aes(xmin=3,xmax=4.2,ymin=-Inf,ymax=Inf),fill='#FF3300',alpha=.02)#annotate("rect",xmin=3,xmax=4.2,ymin=-Inf,ymax=Inf,fill='#FF3300',alpha...
绘图 1、基础绘图 p1<-ggplot(data,aes(x,y,group=group,color=group,shape=group,linetype=group))...
p <- p + geom_vline(xintercept = 2, color = "red", linetype = "dashed") 然后,使用annotate()函数添加文本。可以指定文本的位置、内容、字体大小等参数。 代码语言:txt 复制 p <- p + annotate("text", x = 2, y = 0.5, label = "Vertical Line", size = 4) 在上述代码中,x和y参数...
Add vertical line To do this, use geom_hline(): library(plotly) library(ggplot2) p <- ggplot(data=mtcars, aes(x=wt, y=mpg)) + geom_point() + geom_hline(yintercept=20) ggplotly(p) Change line type library(plotly) library(ggplot2) p <- ggplot(data=mtcars, aes(x=wt, y=mpg...
A simplified format of the functiongeom_vline()is : geom_vline(xintercept, linetype, color, size) It draws a vertical line on the current plot at the specified ‘x’ coordinates : library(ggplot2) # Add a vertical line at x = 3 sp + geom_vline(xintercept = 3) # Chang...
geom_line(size = 0.8) + geom_text(aes(label = B, vjust = 1.1, hjust = -0.5, angle = 45), show_guide = FALSE) ## 添加点的数值 p 1. 2. 3. 4. 5. 6. 7. 如何修改坐标轴的显示范围: library(ggplot2) dt = data.frame(A = 1:10, B = c(2,15,6,18,9,7,13,15,10,3)...