https://online.stanford.edu/programs/foundations-data-science
https://extension.berkeley.edu/public/category/courseCategoryCertificateProfile.do?method=load&certificateId=28652248&_bt=336801948169&_bk=online%20data%20science%20class&_bm=b&_bn=g&_bg=47666221877&gclid=CjwKCAjw4LfkBRBDEiwAc2DSlOkl4tgr-jlOfyO8orSqYC-0L-njXb865bURKJnBmgplP5bGjUZxhBoCCGEQAvD_BwE