[英]How to create line chart with Margins of Error in R
I am looking for a way to plot data on population proportion over time, with showing margins or error, similar to this example: http://goo.gl/dbrbu . 我正在寻找一种方法来绘制随时间变化的人口比例数据,并显示边距或误差,类似于以下示例: http : //goo.gl/dbrbu 。 But could not find any instructions on that. 但是找不到任何说明。 Thanks! 谢谢!
A ggplot2
solution: ggplot2
解决方案:
I'm going to use the US population dataset in R: 我将在R中使用美国人口数据集:
population <- data.frame(Year=seq(1790, 1970, length.out=length(uspop)),
Population=uspop,
Error=rnorm(length(uspop), 5))
library(ggplot2)
ggplot(population, aes(x=Year, y=Population,
ymin=Population-Error, ymax=Population+Error))+
geom_line(colour="red", size=1.2)+
geom_point(pch=2)+
geom_errorbar(width=0.9)
The plotrix package has plotCI: plotrix软件包具有plotCI:
require(plotrix)
y<-runif(10)
err<-runif(10)
plotCI(1:10,y,err,2*err,lwd=2,col="red",scol="blue",
main="Add colors to the points and error bars")
lines(1:10, y)
(A very minor tweak to the example code is to add lines connecting the midpoints.) (对示例代码的一个非常小的调整是添加连接中点的线。)
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