Correction about the course start date The first lecture of the data visualization course will be published on July 7 (7/7/17). There was a typo in the original announcement. Don't keep this to yourself, share this now!TwitterFacebookLike this:Like Loading... Related By Boris Gorelik Freelance data scientist, data visualization expert, and a lecturer. http://gorelik.net. View all of Boris Gorelik's posts.