Basic concepts in data visualizations. Good and bad practices. Basic Principles for good graphs. Visual perception. Vision and psychology. Data to ink ratio. Color selection. Different color pallettes . Grammar of graphics: the different layers. A gallery of graphics: different plots for different data and purposes. Data for flows. Subsetting and trellis plots. Different types of maps. Dashboards and infographics. Story telling and communication of graohics. Interactive graphics. Basic principles like animation, hoovering, filtering and other. Applications like shiny for interactive graphs.