效果 图

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原始数据csv文件数据录入方式一例

# step 1 导入数据到R软件

mean.sd <- read.csv("~/mean.sd.csv")

View(mean.sd)

#-------- 双误差棒 图片绘制 Example s tart--------------------------------

# add both x- and y-axis errorbars  

#参考 https://www.plob.org/article/7521.html

#-----step 2 先定义双轴误差棒的函数 ，R代码如下----

plot.error.xy <- function(x,y,sdx,sdy,len = 1, col = "black") {

 len <- len * 0.05

 arrows(x0 = x, y0 = y, x1 = x, y1 = y - sdy, col = col, angle = 90, length = len)

 arrows(x0 = x, y0 = y, x1 = x, y1 = y + sdy, col = col, angle = 90, length = len)

 arrows(x0 = x, y0 = y, x1 = x - sdx, y1 = y , col = col, angle = 90, length = len)

 arrows(x0 = x, y0 = y, x1 = x + sdx, y1 = y, col = col, angle = 90, length = len)

 }

#----------Function finished ------

# step 3 作图，xy轴范围和xy轴label内容等，就不一一举例了

# step 4 加误差误差棒

#-----------Example finished--------------------------------

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