There are already lots of good videos about data analytics, data science and big data online. Most of them talk about concepts and detail functions. But audience still don’t know how data analysis look like in real world, in their daily business environment. This video is a role play style demo with Tableau. Hopefully it can give you a sense of how data analytics can help your business in real working situation. Data can be found at https://github.com/ryanhao1115/DataAnalytics_Demo_data