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Uncertainty
Uncertainty

The relationship between information and H is often discussed in terms of certainty or its opposite, uncertainty (e.g., see Krippendorff, 1975, 1977, 1984; Shannon, 1949, pp. 49–53). Information as a concept in human communication, and H as a quantity in signal transmission, are both said to reduce uncertainty, an idea that is appealing on both intuitive and linguistic-grounds. Information is the quality of a message that tells something (Chapters 1 and 2); a remedy for uncertainty about something is to be told about it. If H measures the variety of possible things that might be specified by a message, as well as the power of elements in a message to specify something (Chapter 3), then H must have something to do with the degree to ...

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