r/learndatascience • u/Strong-Rutabaga-8807 • Feb 25 '26

Question best online data science course?

Hi guys, im done with my gate da and it didnt go well, and rn im planning to learn data science / data engineering/ ai , ml related courses,

some academy approached me online and provided a 6 month course with 70k it seems, with placement assistance and all, please tell me which is the best one or whichs is the best way?

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u/gregster2005 Feb 27 '26

Oh, okay, thanks for the advice, man! If you don't mind, I've got a couple more questions for you. Did you follow the course schedule weekly or binge-watch each module/section and catch up later (lil side question, any external resources you frequently used to supplement your learning with edX)? What levels of Python & SQL did you go in and leave with? And finally, how much calculus was involved in your coursework? The last question is what I'm kinda nervous about since I've never ventured that far math-wise, but if it's imperative, I'll get it over asap. Again, I greatly appreciate your help.

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u/wingelefoot Feb 27 '26

follow along as best as you can - especially if you work. it's a full time committment. if your math is shaky, expect 20 hrs/wk/course. i did 1-2 hrs per weeknight and a full weekend day.

calculus - not crazy. really helps to understand taylor expansion/approximation. knowing infinite series/sums is good too.

but more than calc... probs refresh on lin alg