This posts explains how to get rid of histograms border in Basic R. It is purely about appearance preferences.
Basically, you just need to add border=F to the hist function to remove the border of histogram bars.
border=F
hist
# Create data my_variable=c(rnorm(1000 , 0 , 2) , rnorm(1000 , 9 , 2)) # Draw the histogram with border=F hist(my_variable , breaks=40 , col=rgb(0.2,0.8,0.5,0.5) , border=F , main="")
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This document is a work by Yan Holtz. Any feedback is highly encouraged. You can fill an issue on Github, drop me a message on Twitter, or send an email pasting yan.holtz.data with gmail.com.