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geom_linerange()

geom_errorbar()

geom_pointrange()

Here geom draws the error bar, which can be defined by the lower and upper values. The linerange function is a bit similar to the error bar. In the line range function, you have to provide the value of y_min and y_max ourselves because the linerange geom doesn’t compute the confidence level automatically. In geom_linerange there are some parameters that are by default present (size, line range, color, width).

Syntax : 

geom_linerange(mapping = NULL,data = NULL,stat = “identity”,position = “identity”,na.rm = FALSE orientation = NA,show.legend = NA,inherit.aes = TRUE)

Example :

R




# import libraries
library("ggplot2")
  
# import data
df <- ToothGrowth
  
# Transform dose and len column into factor
df$dose <- as.factor(df$dose)
df$len <- as.factor(df$len)
  
p<-ggplot(df,aes(dose,len)) 
p + 
  geom_line()+
  stat_summary(func.y= mean, geom= "bar" ,fill="white",color="black") +
  geom_linerange(aes(ymin =len , ymax = dose)
) 






                        









													
													
												

												
												

													
													
Output :

													
													
												

												
												

													
													

													
													
												

												
											

											
											

												
Error Bars using ggplot2 in R

												
												

													
													
Error bars are bars that show the mean score. The error bars stick out from the bar like a whisker. The error bars show how precise the measurement is. It shows how much variation is expected by how much value we got. Error bars can be plated both horizontally and vertically. The horizontal error bar plot shows error bars for group differences as well as bars for groups. 

													
													
												

												
												

													
													
The error bar displays the precision of the mean in one of 3 ways:

													
													
												

												
												

													
													
    

  • The confidence interval
    • 

  • The standard error of the mean
    • 

  • Standard Deviation
    • 


													
													
												

												
											

										


										
										

											
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														geom_errorbar()

													

														Various ways of representing a vertical interval are defined by x, ymin, and ymax. Each case draws a single graphical object. Here geom draws the error bar, which can be defined by the lower and upper values.  Remember that you have to provide the value of y_min and y_max ourselves because the error bar geom doesn’t compute the confidence level automatically....
													

												
											

											
											

												
													

														geom_linerange()

													

														...
													

												
											

											
											

												
													

														geom_pointrange()

													

														Here geom draws the error bar, which can be defined by the lower and upper values. The linerange function is a bit similar to the error bar. In the line range function, you have to provide the value of y_min and y_max ourselves because the linerange geom doesn’t compute the confidence level automatically. In geom_linerange there are some parameters that are by default present (size, line range, color, width)....
													

												
											

											
											

												
													

														geom_crossbar()

													

														...
													

												
											

											
											

												
													

														geom_errorbarh()

													

														Here geom draws the error bar, which can be defined by the lower and upper values. The point range function is quite similar to the error bar and line range. In the point range function, you have to provide the value of y_min and y_max ourselves because the pointrange geom doesn’t compute confidence level automatically. In geom_pointrange there are some parameters that are by default present (size, line range, color, fill, width). The pointrange function is useful to draw confidence intervals....
													

												
											

											
										


									

									

										
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										#R-ggplot
										
										#R Language
										

									

									

										

											
											
												
												geom_errorbar()
											
											
										

										

											
											
												geom_pointrange()