Monday, August 24, 2009

More About Measuring the Cost of Success

Continuing with William A. Dembski, and Robert J. Marks II and their paper Measuring the Cost of Success. Quoting from the remainder of the abstract:

We propose three measures to characterize the information required for successful search: 1) endogenous information, which measures the difficulty of finding a target using random search; 2) exogenous information, which measures the difficulty that remains in finding a target once a search takes advantage of problem-specific information; and 3) active information, which, as the difference between endogenous and exogenous information, measures the contribution of problem-specific information for successfully finding a target. This paper develops a methodology based on these information measures to gauge the effectiveness with which problem-specific information facilitates successful search. It then applies this methodology to various search tools widely used in evolutionary search.


Three different information measures are defined and we are told the paper develops a methodology based on them "to gauge the effectiveness with which problem-specific information facilitates successful search." This could make possible a distinction between a "blind watchmaker" and a process evidencing foresight front loaded into it.

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