Missing Persons is back! ! !
Has recently been busy with other, forget the original intention to maintain the blog, I hope to be able to maintain a daily blog.
Has recently been doing the work of registration aspect of the image, then expanded around this point some of the content of it.
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1. The amount of information
Usually we call the event contains much amount of information. In the computer world, everything is fundamentally a binary expression, so we can use how many bits of storage space required for an event as a measure of how much information the way. For example, a event message contains m kinds, the number of bits required to store \ (log_ {2} m \ ).
Next, we discuss how much information at a random variable or random events included. Mentioned random event, it is certainly related to the probability of this event occurring \ (p (x) \)