I'm a new bee for data analysis . i need to work on a research project in big data analysis. first of all i search for a dataset and i found interest in stack exchange data dump. however i browse for researches i found a lot .And whatever i thought about a idea based on this dataset , its already done by someone else . please help me out with a new and useful idea for my research .
There's also some smaller datasets made available by Tableau.
Hope that give you some inspiration!