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  1. Home
  2. Indian Institute of Technology Madras
  3. Publication5
  4. Minimax risk for missing mass estimation
 
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Minimax risk for missing mass estimation

Date Issued
09-08-2017
Author(s)
Rajaraman, Nikhilesh
Thangaraj, Andrew 
Indian Institute of Technology, Madras
Suresh, Ananda Theertha
DOI
10.1109/ISIT.2017.8007085
Abstract
The problem of estimating the missing mass or total probability of unseen elements in a sequence of n random samples is considered under the squared error loss function. The worst-case risk of the popular Good-Turing estimator is shown to be between 0.6080/n and 0.6179/n. The minimax risk is shown to be lower bounded by 0.25/n. This appears to be the first such published result on minimax risk for estimation of missing mass, which has several practical and theoretical applications.
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