Google around and look for multiple lecturers’s powerpoint pdf slides online for classes named things like “intro to big data”, “beginning data analysis”, or so

Google around and look for multiple lecturers’s powerpoint pdf slides online for classes named things like “intro to big data”, “beginning data analysis”, or something similar. I find that powerpoints are actually a decent way to learn math if the exposition and explanation of reasoning is half-decent. It’s good to have multiple examples to cross reference You may have to learn a little multivariable calculus, or at the very least look at enough examples of its notation to be able to comfortably skim equations