As a third, shorter (and cheaper) option I'd suggest the new Coursera ML course [0]. If you're short on money, they'll let you take the courses for free. I don

As a third, shorter (and cheaper) option I'd suggest the new Coursera ML course [0]. If you're short on money, they'll let you take the courses for free. I don't know how expensive Master's degrees are in Barcelona, but GA Tech has a online Master's in CS for ~$500 per course [1], where you could focus on ML. [0] https://www.coursera.org/specializations/machine-learning https://www.coursera.org/specializations/machine-learning [1] https://www.omscs.gatech.edu/ https://www.omscs.gatech.edu/