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What is the best online course to become a successful Data Analyst? Please refer such course which give better understanding and vast potential for getting better job.
Google has a program called 'Udacity' that has a mixture of free and paid content. From my brief experience, it is quite good.
Here is a link: https://www.udacity.com/course/intro-to-data-science--ud359
I would also suggest looking into MIT's open courseware material. They have free assignments, exams, content, and lessons about most IT subjects.
Please see the following link:
http://ocw.mit.edu/resources/res-6-009-how-to-process-analyze-and-visualize-data-january-iap-2012/