Open Data - Hong Kong Air Quality & SO2 conentration
Recently, I have attended the Open Data Hackathon 2016 organized in Hong Kong, and join a team with others from different backgrounds. It is really a great opportunity to learn from the experienced, how they process the data with different kinds of exploration techniques, visualize and present the analytic results. The most valuable is to know a new technique, Autoregression to apply on the time series data. Previously, I usually adopt the multiple linear regression on the non-time-series data to investigate the factors effecting on dependent variables. Additionally, our team was focusing on the air pollution in Hong Kong and wished to figure out how the containment gas was dependent of policy, sources and environment so as to think a series of improvement way or policy to alleviate the problems. Of course, there were only limited time and resources, it was ideal to finish within one day. In order to explore such data, we selected one of the polluted air, Sulphur dioxide to study. Ho...