### What does **conditional entropy** mean?

# Definitions for conditional entropy

con·di·tion·al en·tropy

#### This dictionary definitions page includes all the possible meanings, example usage and translations of the word **conditional entropy**.

### Wiktionary

conditional entropynoun

The portion of a random variable's own Shannon entropy which is independent from another, given, random variable.

### Wikipedia

Conditional entropy

In information theory, the conditional entropy quantifies the amount of information needed to describe the outcome of a random variable Y {\displaystyle Y} given that the value of another random variable X {\displaystyle X} is known. Here, information is measured in shannons, nats, or hartleys. The entropy of Y {\displaystyle Y} conditioned on X {\displaystyle X} is written as H ( Y | X ) {\displaystyle \mathrm {H} (Y|X)} .

### Wikidata

Conditional entropy

In information theory, the conditional entropy quantifies the amount of information needed to describe the outcome of a random variable given that the value of another random variable is known. Here, information is measured in bits, nats, or bans. The entropy of conditioned on is written as .

### Numerology

Chaldean Numerology

The numerical value of conditional entropy in Chaldean Numerology is:

**1**Pythagorean Numerology

The numerical value of conditional entropy in Pythagorean Numerology is:

**4**

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"conditional entropy." *Definitions.net.* STANDS4 LLC, 2024. Web. 10 Aug. 2024. <https://www.definitions.net/definition/conditional+entropy>.

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