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How to create a point chart with empty points using ggplot2 in R?
The point chart can be created by using geom_point function and if we want to create a point chart for single vector then we should pass the vector in both the places inside aes function. Also, by default the points are complete black circles and if we want to change the points to empty points then shape argument can be used.
Example
Consider the below data frame −
set.seed(171) x<−rnorm(20,1,0.04) df<−data.frame(x) df
Output
x 1 0.9608285 2 1.0077832 3 1.0420915 4 0.9526998 5 1.0423519 6 1.0023625 7 0.9184376 8 1.0215420 9 1.0841583 10 1.0164277 11 1.0215934 12 0.9135340 13 0.9975233 14 1.0626451 15 1.0335912 16 1.0702276 17 0.9642820 18 1.0088072 19 0.9794760 20 0.9665569
Loading ggplot2 package and creating point chart −
library(ggplot2) ggplot(df,aes(x,x))+geom_point()
Output
Creating the point chart with empty points −
ggplot(df,aes(x,x))+geom_point(shape=1)
Output
Creating the point chart with empty points and a larger size −
ggplot(df,aes(x,x))+geom_point(shape=1,size=3)
Output
Updated on 17-Oct-2020 12:09:22
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