How to overlay density plots in R

Question

I'd like to use R to overlay two density graphs on the same device. I'm not sure how I'm going to accomplish it. I looked on the internet for a solution but couldn't locate one.

My plan is to read data from a text file (columns) and then use it in a programme.

plot(density(MyData$Column1))
plot(density(MyData$Column2), add=T), plot(density(MyData$Column2), plot(density(MyData$Colum
Or something along those lines.

Answer 1

The second one has 104 usage lines:

plot(density(MyData$Column1)) \slines(density(MyData$Column2))
but make sure the first plot's boundaries are appropriate.

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