How to Easily Create Barplots with Error Bars in R

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plot of chunk bar-plot-with-error-bars-in-r


25 May

How to Easily Create Barplots with Error Bars in R

Alboukadel

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FAQ

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This article describes how to easily create barplots with error bars in R using the ggpubr package, an extension of ggplot2 for creating publication ready plots.

The following R code produces barplots showing means +/- sd and the jittered data points for each group.

library(ggpubr)

# Create a simple bar plot
ggbarplot(
  ToothGrowth, x = "dose", y = "len", 
  add = c("mean_se", "jitter"),
  fill = "#BF504D"
  )

plot of chunk bar-plot-with-error-bars-in-r

# Grouped bar plots
# Colored by groups
ggbarplot(
  ToothGrowth, x = "dose", y = "len", 
   add = c("mean_sd", "jitter"), 
   color = "supp", palette = c("#807F7F", "#BF504D"),
   position = position_dodge(0.8)
  )

plot of chunk bar-plot-with-error-bars-in-r

# Change bars fill color by groups
# You need to change also point shapes by groups
ggbarplot(
  ToothGrowth, x = "dose", y = "len", 
   add = c("mean_sd", "jitter"), 
   add.params = list(shape = "supp"),
   fill= "supp", palette = c("#807F7F", "#BF504D"),
   position = position_dodge(0.8)
  )

plot of chunk bar-plot-with-error-bars-in-r

See other related frequently questions: ggpubr FAQ



 
          

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