Social media analytics: What's the buzz? - The Data Scientist

First of all, social media have a huge impact on our lives. With more than 2.5 billion users worldwide, this is not really up for debate. Data extracted from social media is used for all sorts of purposes from building recommender systems for products, to building statistical models that affect voters and elections. Secondly, every field related to data science has its own domain-related peculiarities. For example, econometrics deals a lot with panel data, and transparent statistical model. Natural language processing requires powerful methods for feature selection and cleaning.