Hi, and welcome to the 'Geospatial data visualization in R' tutorial. I have uploaded a PDF on the UseR! schedule site. You can access it at
http://schd.ws/hosted_files/user2017/28/user2017.geodataviz-overview.pdf. Please go through it before the conf. It contains the outline of the tutorial and instructions to set up your laptop for the tutorial. Thanks and hope to see you all soon.