**Entropy**

The (empirical) entropy of a set of frequencies is defined as , where .

Estimation of this quantity in a stream has been done by:

- McGregor et al.
- Do Ba et al.
- Lall et al.
- Chakrabarti et al.

Read more about this topic: Streaming Algorithm, Some Streaming Problems

### Other articles related to "entropy":

Shrinkage Estimator

... Despite its simplicity...it outperforms eight other

... Despite its simplicity...it outperforms eight other

**entropy**estimation procedures across a diverse range of sampling scenarios and data-generating ... Moreover...procedure simultaneously provides estimates of the**entropy**and of the cell frequencies ... The proposed shrinkage estimators of**entropy**and mutual information, as well as all other investigated**entropy**estimators, have been implemented in R (R Development Core Team ...Configuration

... In statistical mechanics, configuration

**Entropy**... In statistical mechanics, configuration

**entropy**is the portion of a system's**entropy**that is related to the position of its constituent particles rather than to ... The configurational**entropy**is also known as microscopic**entropy**or conformational**entropy**in the study of macromolecules ... In general, configurational**entropy**is the foundation of statistical thermodynamics ...Interdisciplinary Applications of

... the ability of humankind to cope with and potentially reverse the process of

**Entropy**- Science Fiction About**Entropy**... the ability of humankind to cope with and potentially reverse the process of

**entropy**... a super-computer named AC(Multivacs) again and again" How can the net amount of**entropy**of the universe be massively decreased?" Each time AC's answer is"INSUFF ...Configuration

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**Entropy**- Calculation... The configurational

**entropy**is related to the number of possible configurations by Boltzmann's**entropy**formula where kB is the Boltzmann constant and W is the number of possible ... if a system can be in states n with probabilities Pn, the configurational**entropy**of the system is given by which in the perfect disorder limit (all Pn = 1/W) leads to ... to that of Shannon's information**entropy**...Logrithm - Applications -

...

**Entropy**and Chaos...

**Entropy**is broadly a measure of the disorder of some system ... In statistical thermodynamics, the**entropy**S of some physical system is defined as The sum is over all possible states i of the system in question ... Similarly,**entropy**in information theory measures the quantity of information ...### Famous quotes containing the word entropy:

“Just as the constant increase of *entropy* is the basic law of the universe, so it is the basic law of life to be ever more highly structured and to struggle against *entropy*.”

—Václav Havel (b. 1936)

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