Information Content
From ExoDictionary
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Information Content
</dt>
In a message or a signal from a source, the negative of the logarithm of
the probability that this particular message or symbol will be emitted from
the source.
</dd>
The choice of logarithmic base determines the unit of information
content. See bit
and hartley.
The probability of a given message or symbol being emitted may depend on one
or more preceding messages or symbols. The quantity has been called
self-information.
</dd>
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
