Error Bars (ggplot)

Error bars are a basic chart type in ggplot and easy to execute.


Synthetic sensor data set is created.

View the data:

Basic Error Bar Syntax


Error Bar Aesthetics

geom_errorbar() takes the following aesthetic arguments: x axis data, ymin and ymax value data, color, linetype, horizontal bar width, and the alpha or transparency level.  Error bars can be plotted alone or in layers with points, line and bars, as shown below. 

Plot66 Plot77 Plot78 Plot79

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