Data Mining: Practical Machine Learning Tools and Techniques by Ian H. Witten, Eibe Frank, Mark A. Hall

By Ian H. Witten, Eibe Frank, Mark A. Hall

Data Mining: sensible laptop studying instruments and Techniques deals a radical grounding in computing device studying techniques in addition to functional suggestion on making use of desktop studying instruments and strategies in real-world facts mining occasions. This hugely expected 3rd variation of the main acclaimed paintings on facts mining and laptop studying will educate you every little thing you want to learn about getting ready inputs, analyzing outputs, comparing effects, and the algorithmic equipment on the middle of profitable info mining.

Thorough updates replicate the technical adjustments and modernizations that experience taken position within the box because the final version, together with new fabric on facts differences, Ensemble studying, vast facts units, Multi-instance studying, plus a brand new model of the preferred Weka desktop studying software program built via the authors. Witten, Frank, and corridor contain either tried-and-true ideas of at the present time in addition to tools on the innovative of latest study.

*Provides a radical grounding in computer studying thoughts in addition to useful suggestion on utilizing the instruments and methods for your information mining initiatives *Offers concrete tips and methods for functionality development that paintings via remodeling the enter or output in computer studying tools *Includes downloadable Weka software program toolkit, a suite of desktop studying algorithms for facts mining tasks-in an up to date, interactive interface. Algorithms in toolkit conceal: information pre-processing, category, regression, clustering, organization ideas, visualization

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Yes 11 avg no none no none bad 1 2 4% 5% ? tcf 35 ? 13% 5% ? 15 gen ? ? 4% ? 38 ? 4% ? 12 gen ? full ? full good 3 … ? none 40 ? 4 ? 0 40  17 18 CHAPTER 1 What’s It All About? 3 Decision trees for the labor negotiations data. It contains many missing values, and it seems unlikely that an exact classification can be obtained. 3 shows two decision trees that represent the dataset. 3(a) is simple and approximate—it doesn’t represent the data exactly. For example, it will predict bad for some contracts that are actually marked good.

3(b) by a process of pruning, which we will learn more about in Chapter 6. Soybean Classification: A Classic Machine Learning Success An often quoted early success story in the application of machine learning to practical problems is the identification of rules for diagnosing soybean diseases. The data is taken from questionnaires describing plant diseases. There are about 680 examples, each representing a diseased plant. Plants were measured on 35 attributes, each one having a small set of possible values.

There are four attributes: sepal length, 13 14 CHAPTER 1 What’s It All About? 2 Iris Iris Iris Iris Iris virginica virginica virginica virginica virginica sepal width, petal length, and petal width (all measured in centimeters). Unlike previous datasets, all attributes have values that are numeric. 2 Simple Examples: The Weather and Other Problems These rules are very cumbersome, and we will see in Chapter 3 how more compact rules can be expressed that convey the same information. CPU Performance: Introducing Numeric Prediction Although the iris dataset involves numeric attributes, the outcome—the type of iris—is a category, not a numeric value.

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