Sleigh made of gift boxes
Letters

The Spirit of Giving in AI and Beyond

As we approach the end of 2021, you may be winding down work and gearing up for the winter holiday. I’m looking forward to taking a break from work and hope you are too.
Screen capture from the Data-Centric AI Workshop
Letters

The NeurIPS Data-Centric AI Workshop Was Amazing!

We just wrapped up the Data-Centric AI Workshop at the NeurIPS 2021 conference. It was packed with information about how to engineer data for AI systems. I wish the whole DeepLearning.AI community could have been there!
Principles of data
Letters

Toward Systematic Data Engineering

I’ve seen many new technologies go through a predictable process on their journey from idea to large scale adoption. First, a handful of experts apply their ideas intuitively.
Project management cartoon
Letters

Solving AI Problems With Civility

I’m grateful to the AI community for the friendships it has brought me and the benefits it has brought to billions of people. But members of the AI community don’t always honor one another.
Different types of semaphores
Letters

Making Software For a Heterogeneous World

The physical world is full of unique details that differ from place to place, person to person, and item to item. In contrast, the world of software is built on abstractions that make for relatively uniform coding environments and user...
Andrew Ng during a conference
Letters

How To Unlock AI Value

On Monday, Landing AI (where I’m CEO) announced the close of a $57 million Series A funding round. The investment enables the company to continue building its data-centric MLOps platform for computer vision, with a focus on manufacturing visual inspection.
Andrew Ng playing piano
Letters

Background Music: Pleasure or Pitfall?

Years ago, whenever I had to do something boring or unpleasant — such as drive to work or go for a run — I used to listen to music to provide a distraction. Although I still appreciate music, as I got older I decided to cut out distractions.
Illustration of Andrew Ng dressed as a panda holding a bag full of candy
Letters

When the AI and Spirit Worlds Collide

On Halloween, the veil lifts between the spirit and AI worlds, allowing the two to pass through one another. The resulting paranormal — or, as AI practitioners call it, paragaussian — phenomena raise questions like these...
Wiiners of the Data-centric AI Competition
Letters

Congrats to the Data-Centric Competition Winners!

In June, I announced the first Data-centric AI Competition. The deadline for submissions was in early September, and today I’m thrilled to announce the winners!A total of 489 individuals and teams submitted 2,458 unique datasets.
Left: flawless gear | Right: gear with a defect
Letters

Imaging Systems for Data-Centric AI Development

The image below shows two photos of the same gear taken under different conditions. From the point of view of a computer-vision algorithm — as well as the human eye — the imaging setup that produced the picture on the right makes...
Cartoon with a joke about choices
Letters

How to Build AI Products and Businesses: Two Strategies

Building AI products and businesses requires making tough choices about what to build and how to go about it. I’ve heard of two styles: Ready, Aim, Fire and Ready, Fire, Aim
Board with math equations
Letters

How to Learn Math for Machine Learning

How much math do you need to know to be a machine learning engineer? It’s always nice to know more math! But there’s so much to learn that, realistically, it’s necessary to prioritize.
Hand-drawn letter with a heart and signed by Andrew
Letters

Are You OK? Taking Care of Emotional and Mental Health

Since the pandemic started, several friends and teammates have shared with me privately that they were not doing well emotionally. I’m grateful to each person who trusted me enough to tell me this. How about you — are you doing okay?
Cartoon about data
Letters

Developing AI Products Part 5: Data Drift, Concept Drift, and Other Maintenance Issues

In earlier letters, I discussed some differences between developing traditional software and AI products, including the challenges of unclear technical feasibility, complex product specification, and need for data to start development.
Series of spreadsheets with different data
Letters

Developing AI Products Part 4: Getting Data To Start Development

In a recent letter, I mentioned some challenges to building AI products. These problems are distinct from the issues that arise in building traditional software. They include unclear technical feasibility and complex product specification.

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