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Product Description This is a AIR FORCE INST OF TECH WRIGHT-PATTERSONAFB OH report procured by the Pentagon and made available for public release. It has been reproduced in the best form available to the Pentagon. It is not spiral-bound, but rather assembled with Velobinding in a soft, white linen cover. The Storming Media report number is A932463. The abstract provided by the Pentagon follows: While data mining technology holds the promise of automatically extracting useful patterns (such as decision rules) from data, this potential has yet to be realized. One of the major technical impediments is that the current generation of data mining tools produce decision rule sets that are veryaccurate, but extremely complex and difficult to interpret. As a result, there is a clear need for methods that yield decision rule sets that are both accurateand compact. The development of the Genetic Rule and Classifier Construction Environment (GRaCCE) is proposed as an alternative to existing decision rule induction (DRI) algorithms. GRaCCE is a multi-phase algorithm which harnesses the power of evolutionary search to mine classification rules from data. These rules are based on piece-wise linear estimates of the Bayes decision boundary within a winnowed subset of the data. Once a sufficient set of these hyper- planes are generated, a genetic algorithm (GA) based "0/1" search is performed to locate combinations of them that enclose class homogeneous regions of the data. It is shown that this approach enables GRaCCE to produce rule sets significantly more compact than those of other DRI methods while achieving a comparable level of accuracy. Since the principle of Occam's razor tells us to always prefer the simplest model that fits the data, the rules found by GRaCCE are of greater utility than those identified by existing methods.
Best Science Podcasts 2017
We have hand picked the best science podcasts for 2017. Sit back and enjoy new science podcasts updated daily from your favorite science news services and scientists.
Transparency Sometimes, being truthful can be uncomfortable â even risky. But can radical honesty and openness change things for the better? This hour, TED speakers take transparency all the way to its limit. Guests include business writer David Burkus, entrepreneur Ray Dalio, journalist Trevor Timm, and hospital-patient liaison Leilani Schweitzer.
#451 Merry Science Giftmas You probably have shopping to do and plenty of gifts to buy, and -- as is our tradition -- we have put together a list of helpful suggestions for things the science lover in your life might appreciate receiving. This year we brought in Illinois’s School of Integrative Biology lecturer and science educator Joanne Manaster, and brought back our unofficial "Librarian in Residence" John Dupis to talk about some of their favourite science books from 2017. And your regular hosts Rachelle Saunders and Bethany Brookshire squee with delight over a list of fun science-themed gifts you won't find in a...