How to Add a Background Image in ggplot2 with R by John Wingate August 15, 2019 written by John Wingate August 15, 2019How to Add a Background Image in ggplot2 with R 0FacebookTwitterPinterestLinkedinTumblrRedditStumbleuponWhatsappEmailLeave a Comment Cancel ReplySave my name, email, and website in this browser for the next time I comment.Please enter an answer in digits:four × 1 =