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How to create horizontal lines with two different colors after a threshold in R?
To create two horizontal lines with different color after a threshold in R, we can follow the below steps −
- First of all, create a plot in base R.
- Then, add a line to the plot using abline function.
- After that, use segments function to partially change the color of the line.
Create the plot
Using plot function to create a plot in base R −
plot(1:5,1:5,xlim=c(0,5))
Output
Add a line to the plot
Using abline function to add a line to the plot −
plot(1:5,1:5,xlim=c(0,5)) abline(h=3)
Output
Partially color the line
Using segments function to color the with yellow color starting from 0 to 3 −
plot(1:5,1:5,xlim=c(0,5)) abline(h=3) segments(x0=0,y0=3,x1=2,y1=3,col="yellow")
Output
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