Three Letter Acronyms
Generalization from Examples
Upper/Lower Bounds
Multiclass
100

PCA: This American organization is exclusively for enthusiasts of a certain luxury car.

What is the Porsche Club of America?

100

Examples of this are Sequoia and Andreessen Horowitz.

What are VCs (venture capitalists)?

100

Answering the question, “How low can you go?” Shemika Charles holds the world record for this sport at 8.5 inches/21.59 cm.

What is limbo?

100

Online Learning: Andrew Ng's machine learning course on this online education platform is the largest of its kind.

What is Coursera?

200

MLE: This global health indicator has more than doubled in the past century

What is Mean Life Expectancy?

200

Examples of this are Lady Gaga (NYU) and Larry Page (Stanford).

What is dropout?

200

This US state’s lowest point, a part of the Arikaree River at 3,315 feet, is the highest lowest point of any US state.

What is Colorado?

200

Clustering: Cheaper than honey and maple syrup, this ingredient is used for clustering in many common breakfast cereals.

What is corn syrup?

300

SGD: This currency of southeast Asia is currently worth 0.74 USD.

What is the Singapore Dollar?

300

Examples of this are gross profit and operating profit

What is margin?

300

This 20th century mathematician was one of the most prolific of all time, with 1,575 publications and 512 direct collaborators.

Who is Paul Erdos?

300

Spectral Methods: Commercially introduced by Elijah Bond in 1890, this popular divination tool is believed by occultists to allow communication with spirits of the deceased.

What is the Ouija Board?

400

SVM: This department of UPenn features the “Animals and Society” course requirement

What is the School of Veterinary Medicine?

400

Examples of this are RAR, PNG, and MP3.

What is compression?

400

At over 11km below sea level, only 6 humans have ever reached the bottom of this trench, the lowest point on the surface of the earth.

What is the Mariana/Marianas?

400

Bandits: The largest art heist in modern history was at the Isabella Gardner Museum in which American city?

What is Boston, MA?

500

GaN: Dubbed “the silicon of the future”, this semiconductor gives off a blue light used for reading blu-ray discs.

What is Gallium Nitride?

500

Example uses of this are to wrangle cattle, or to draw a freeform selection in Photoshop.

What is LASSO?

500

In 2017, National Geographic listed this city as the "happiest in the US."

What is Boulder, CO?

500

Transformers: In the American children’s cartoon Transformers, popular in the 1980’s, this was the name of the evil faction of fighting robots.

What are the Decepticons?