This project cleans, analyses and visualises H-1B (employment-based) visa applications to the USA in the years 2014-2017. There is also a simple predictive modelling component at the end, predicting salaries and outcome of applications.
Click here to see the project. Alternatively click on the ipynb file "H-1BVisaApplications.ipynb" to see the notebook (but know that the GitHub nbviewer won't render some of the 'plotly' graphs, of which there are only two anyway).
Here's the main cool image from the work: