AI glossary: terms starting with G

14 terms starting with G, each defined the way the lesson that teaches it uses it, with a link to every lesson where it appears.

general purpose

Used for many different kinds of programs: websites, automation, data analysis and machine learning.

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Generator

Object with its own random state and sampling methods

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generator expression

An expression that yields values on demand, such as sum(s for s in week if s >= 10000), without building a list first.

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given

The word that names the group used as the denominator.

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global minimum

lower than every point

Example: −1.473, value −5.4442

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global variable

A name bound at the top level, which any function can read. Rebinding it inside a function needs global.

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gradient

the vector of all the partial derivatives

Example: (4, 6)

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gradient descent

Repeatedly stepping the parameters against the gradient of the loss.

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graph

every (input, output) pair of a function, drawn as points

Example: the line through (−2, −3) … (2, 5)

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Trying every combination of a set of hyperparameter values.

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gross positive invoice value

The sum of included positive line values for one invoice. It is not net revenue.

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group k-fold

Folds that keep each group's rows together.

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group size, n

The number of cases in a stated group.

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grouped bar plot

Side-by-side bars for categories within each group.

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