Inference with the Median of a Prior
AbstractWe consider the problem of inference on one of the two parameters of a probability distribution when we have some prior information on a nuisance parameter. When a prior probability distribution on this nuisance parameter is given, the marginal distribution is the classical tool to account for it. If the prior distribution is not given, but we have partial knowledge such as a fixed number of moments, we can use the maximum entropy principle to assign a prior law and thus go back to the previous case. In this work, we consider the case where we only know the median of the prior and propose a new tool for this case. This new inference tool looks like a marginal distribution. It is obtained by first remarking that the marginal distribution can be considered as the mean value of the original distribution with respect to the prior probability law of the nuisance parameter, and then, by using the median in place of the mean. View Full-Text
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Mohammadpour, A.; Mohammad-Djafari, A. Inference with the Median of a Prior. Entropy 2006, 8, 67-87.
Mohammadpour A, Mohammad-Djafari A. Inference with the Median of a Prior. Entropy. 2006; 8(2):67-87.Chicago/Turabian Style
Mohammadpour, Adel; Mohammad-Djafari, Ali. 2006. "Inference with the Median of a Prior." Entropy 8, no. 2: 67-87.