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A significant amount of multidisciplinary research has recently focused on the rate at which i.i.d. distributions can be estimated. In particular, it was shown that for these distributions, optimal estimation implies optimal compression, hence in a sense for i.i.d. distributions, estimation “trumps” compression.
Estimating the number of defective elements of a set has various biological applications including estimating the prevalence of a disease or disorder. Group testing has been shown to be more efficient than scrutinizing each element separately for defectiveness. In group testing, we query a subset of elements and the result of the query will be defective if the subset contains at least one defective...
English words and the outputs of many other natural processes are well-known to follow a Zipf distribution. Yet this thoroughly-established property has never been shown to help compress or predict these important processes. We show that the expected redundancy of Zipf distributions of order α > 1 is roughly the 1/α power of the expected redundancy of unrestricted distributions. Hence for these...
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