Daphne has a PGM course on coursera as well. From the half dozen courses I have done on coursera that was by far the most difficult one, to the point where peop

Daphne has a PGM course on coursera as well. From the half dozen courses I have done on coursera that was by far the most difficult one, to the point where people were talking about making t-shirts stating "I survived week 5". Personally I found it the most interesting and rewarding as well.