PiMessageHelper

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Deprecated

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riso.distributions
Interface PiMessageHelper

All Superinterfaces:: java.io.Serializable

All Known Implementing Classes:: TrivialPiMessageHelper

public interface PiMessageHelper
extends java.io.Serializable

Method Summary

Distribution compute_pi_message(Distribution pi, Distribution[] lambda_messages)
Compute the pi message from a variable to a child.

Method Detail

compute_pi_message

public Distribution compute_pi_message(Distribution pi,
                                       Distribution[] lambda_messages)
                                throws java.lang.Exception

Compute the pi message from a variable to a child. This is defined as follows: This node is x, its children are y1, y2,...,xn, and the evidence on a path leading up from yk is defined as ``e below yk''. The predictive support for yk coming from x is defined as p(y|``e above x'')

   p(y|``e above x'') = ??? COMPLETE THIS !!!