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EstimateDirPrior Application

This application (EstimateDirPrior.cpp) uses the leave-one-out method to estimate an optimal setting for the Dirichlet prior smoothing parameter (i.e., the "prior sample size").

To run the application, follow the general steps of running a lemur application and set the following variables in the parameter file:

(1) index: the table-of-content (TOC) record file of the index (e.g., the .bsc file created by BuildBasicIndex)

(2) initValue: the initial value for the parameter in the Newton method.

It will print out the estimated parameter value to the standard output.

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