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Great course. I really enjoyed learning some basic SQL. I have been wanting to do that for years. However, I had problems with the peer reviews. I found three (all by anonymous participants) that were identical. Obviously, they'd all found the same thing on internet and copied that. I reported it to you guys, but it got me thinking about cyber security. I really don't want to open files from anonymous participants. And also, three out of four of the participants I tried to review had submitted their assignments using obscure formats that I cannot open on my PC (HEIC, DS_Store, etc), or had submitted stuff as plain txt files containing embedded links to images on their local computer. So, I couldn't grade their stuff. Perhaps you should stop submissions that are not in a widely used format, such as PDF, JPEG, PNG, etc.

This course provides a good overview of what one might need to get started in Data Analytics. It does not delve very deeply into any one topic. This could be consider both a good and a bad thing. Its superficiality keeps students from getting lost in details, but it also keeps students from some much needed deeper practical training which generally aids in the development of true understanding of what the theory is all about. Nevertheless, it is a good course, and students may compensate for the lack of practice if they are willing to pause the videos and recreate the material to run his examples on their own.