First of all, find an image. If the image is on the web, you can download it with
Then, load the image on R with the
png library nd the
readPNG() function. Last, it is the
rasterImage() function that allows to put it on the background.
Note: if you have a jpeg file. Use
library(jpeg) instead, and use the
# If you want to show an image coming from the web, first download it with R: download.file("https://github.com/holtzy/R-graph-gallery/blob/master/img/logo/R_full_medium.png?raw=true" , destfile="tmp.png") #Else, just place the image in the current directory # Charge the image as an R object with the "JPEG" package library(jpeg) library(png) my_image <- readPNG("tmp.png") # Set up a plot area with no plot plot(1:2, type='n', main="", xlab="x", ylab="y") # Get the plot information so the image will fill the plot box, and draw it lim <- par() rasterImage(my_image, xleft=1, xright=2, ybottom=1.3, ytop=1.7) grid() #Add your plot ! lines( x=c(1, 1.2, 1.4, 1.6, 1.8, 2.0), y=c(1, 1.3, 1.7, 1.6, 1.7, 1.0), type="b", lwd=5, col="black")