English Reference

Word

aleatoric

Definition

adj. depending on chance, randomness, or unpredictable luck rather than a set rule.

adj. characterized by randomness, chance, or inherent variability that cannot be reduced through further observation or data collection.

Examples

“Rolling a pair of fair dice is an aleatoric process because the outcome is purely random.”

“The weather forecast accounts for aleatoric variability in chaotic atmospheric air currents.”

“Autonomous vehicles must model aleatoric sensor noise separately from epistemic model errors to ensure safe navigation.”

Examples

simple

“Rolling a pair of fair dice is an aleatoric process because the outcome is purely random.”

contextual

“The weather forecast accounts for aleatoric variability in chaotic atmospheric air currents.”

complex

“Autonomous vehicles must model aleatoric sensor noise separately from epistemic model errors to ensure safe navigation.”

Real-World Examples

“Roughly speaking, aleatoric (aka statistical) uncertainty refers to the notion of randomness, that is, the variability in the outcome of an experiment which is due to inherently random effects.”
Springer Nature Link · 8 Mar 2021

Etymology

From Latin aleatorius ('pertaining to a gambler or game of hazard'), from alea ('a game of dice, chance, or risk'). Julius Caesar famously invoked this root with iacta alea est ('the die is cast').

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domains

AIArtComputingMusic

This entry

Level
C2 · Proficiency
Frequency
Rare
Updated

Scan code

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English Reference