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Group 1 - Scott Cullinane and Cynthia Parsons Finding the...

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Scott Cullinane and Cynthia Parsons
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Finding the entropy of an information source is a good way of determining its quality. Example: A lawyer gives you a 10-page legal document that basically says “The sky is blue”. The amount of information you gain per character he used is extremely low. It has a very low entropy You know that as an information source, this 10-page document is poor quality. But how would you quantify it’s quality? Entropy is a good way of quantifying just how good (or bad) the transmission of information from the source to the receiver is.
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Based in probability of a given symbol occurring. The amount of information delivered by the messages is known as the entropy of the source they came from. Example: There are 5 weekdays, and 2 weekends per week. If you asked someone “What day is it today?” Their response: A weekend day This means there are only two possible days it could be today, down from 7.
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