Advanced Data Mining Techniques by David L. Olson Dr., Dursun Delen Dr. (auth.)

By David L. Olson Dr., Dursun Delen Dr. (auth.)

This ebook covers the basic thoughts of information mining, to illustrate the possibility of accumulating huge units of information, and studying those information units to achieve invaluable company figuring out. The e-book is prepared in 3 elements. half I introduces thoughts. half II describes and demonstrates uncomplicated facts mining algorithms. It additionally includes chapters on a couple of diversified innovations frequently utilized in info mining. half III focusses on company purposes of information mining. tools are awarded with basic examples, purposes are reviewed, and relativ merits are evaluated.

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Com in May 2007 gives one product under the category of memory-based reasoning: PolyAnalyst (by Megaputer Intelligence), whose site describes memory based reasoning as finding the closest past analog of the present situation, and selecting the same solution that was considered right in those past situations. This is also referred to as the nearest-neighbor method. While such methods often do well in many problems, they have the deficiency of not having generalizable rules. Predictions require processing the entire body of available historic data.

14 shows calculations for the training set of job applicants. In this case the test data yielded the same result as the absolute value calculation. This often happens, but the squared distance is more affected by extreme differences. That could be a good thing if the measures were accurate, and if the variables included were important. However, in this case, being from a different state would not be expected to be important, but would affect the squared distance calculation more than the absolute value calculation.

Levitan, J. Guan (2006). Non-conventional approaches to property value assessment, Journal of Applied Business Research 22:3, 1–14. 40 3 Memory-Based Reasoning Methods Matching While matching algorithms are not normally found in standard data mining software, they are useful in many specific data mining applications. 7 There are a series of measures that have been applied to implement memory-based reasoning. The simplest technique assigns a new observation to the preclassified example most similar to it.

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