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Machine Learning by Andrew Ng

Ranked 10 of 17 online courses by recommenders

Recommended as a foundational introduction to machine learning that builds vocabulary and math basics. Main caveat: one critic calls MOOCs watered-down versions of real courses.

Recommended as a foundational introduction to machine learning that builds vocabulary and math basics. Main caveat: one critic calls MOOCs watered-down versions of real courses.

10 people gave an opinion

recommend it
9
criticize it
1
approval share
90%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 9 people recommend itNeeds 10 or more, not met.
  • 9 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Good introduction to machine learning

    “That's how I got my start in ML, through Andrew Ng's course a little over a decade ago.”

    Comment from 18 Dec 2025 in “Coursera to combine with Udemy”

    “His intro to machine learning is probably the best out there.”

    Comment from 2 Aug 2026 in “Coursera Bets $100M That Andrew Ng Can Do What Coursera Can't”

    “Andrew Ng's machine learning course, which was fantastic”

    Comment from 18 Dec 2025 in “Coursera to combine with Udemy”
  • Enjoyable, well-spent time

    “both were excellent. Time well spent IMHO.”

    Comment from 17 Dec 2025 in “Coursera to combine with Udemy”

    “That was such a cool course.”

    Comment from 4 Mar 2026 in “"It Turns Out"”
  • Highly regarded course

    “he is a great educator and I trust that the current version is just as good as his old one”

    Comment from 4 Jan 2026 in “Neural Networks: Zero to Hero”

    “Andrew Ng's machine learning course, which was fantastic”

    Comment from 18 Dec 2025 in “Coursera to combine with Udemy”

Other online courses people recommend

The four most recommended other online courses, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Machine Learning by Andrew Ng compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Math Academy35197%129 mo6 ownersApproved
Nand2Tetris31391%10—Approved
Neural Networks: Zero to Hero by Andrej Karpathy29294%9—Approved
CS193p SwiftUI course by Paul Hegarty13193%211.9 yrs5 owners—
Machine Learning by Andrew NgThis page9190%6——
See all 17 online courses, ranked

What people said

10 of the 11 comments that mention it, newest first. Each links to the original comment.

“His intro to machine learning is probably the best out there.”

RecommendsComment from 2 Aug 2026 in “Coursera Bets $100M That Andrew Ng Can Do What Coursera Can't”

“Between Machine Learning, the (numerical) optimisation courses and NAND-To-Tetris”

RecommendsComment from 12 May 2026 in “Coursera and Udemy are now one company”

“That was such a cool course.”

RecommendsComment from 4 Mar 2026 in “"It Turns Out"”

“he is a great educator and I trust that the current version is just as good as his old one”

RecommendsComment from 4 Jan 2026 in “Neural Networks: Zero to Hero”

“That's how I got my start in ML, through Andrew Ng's course a little over a decade ago.”

RecommendsComment from 18 Dec 2025 in “Coursera to combine with Udemy”

“Ng's courses were great at giving you a sense of accomplishment”

MixedComment from 18 Dec 2025 in “Coursera to combine with Udemy”

“Andrew Ng's machine learning course, which was fantastic”

RecommendsComment from 18 Dec 2025 in “Coursera to combine with Udemy”

“both were excellent. Time well spent IMHO.”

RecommendsComment from 17 Dec 2025 in “Coursera to combine with Udemy”

“I got the vocabulary and introductory math knowledge to proceed to courses and textbooks on linear algebra”

RecommendsComment from 27 Nov 2025 in “CS234: Reinforcement Learning Winter 2025”

“Most of the MOOCs were also watered down versions of a real course”

CriticizesComment from 26 Nov 2025 in “CS234: Reinforcement Learning Winter 2025”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.