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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Pandey, G. Dukkipati, A. |
| Copyright Year | 2013 |
| Description | Author affiliation: Dept. of Comput. Sci. & Autom., Indian Inst. of Sci., Bangalore, India (Pandey, G.; Dukkipati, A.) |
| Abstract | In maximum entropy method, one chooses a distribution from a set of distributions that maximizes the Shannon entropy for making inference from incomplete information. There are various ways to specify this set of distributions, the important special case being when this set is described by mean-value constraints of some feature functions. In this case, maximum entropy method fixes an exponential distribution depending on the feature functions that have to be chosen a priori. In this paper, we treat the problem of selecting a maximum entropy model given various feature subsets and their moments, as a model selection problem, and present a minimum description length (MDL) formulation to solve this problem. For this, we derive normalized maximum likelihood (NML) code-length for these models. Furthermore, we show that the minimax entropy method is a special case of maximum entropy model selection, where one assumes that complexity of all the models are equal. We extend our approach to discriminative maximum entropy models. We apply our approach to gene selection problem to select the number of moments for each gene for fixing the model. |
| Starting Page | 1521 |
| Ending Page | 1525 |
| File Size | 250661 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781479904464 |
| ISSN | 21578117 |
| DOI | 10.1109/ISIT.2013.6620481 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-07-07 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Entropy Data models Computational modeling Mathematical model Complexity theory Probability distribution Information theory |
| Content Type | Text |
| Resource Type | Article |
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