INTRODUCTION TO KNOWLEDGE DISCOVERY AND DATA MINING - CHAPTER 2 ppt

... shown in Equation (2. 2). Knowledge Discovery and Data Mining 22 Standard Measurements. The spreadsheet format becomes a standard form when the features are restricted to certain types. ... most data min- ing methods in searching for good solutions. 2. 2 Data Transformations A central objective of data preparation for data mining is to transform the raw...

Ngày tải lên: 14/08/2014, 02:21

... Discovery and Data Mining 3 Contents Preface Chapter 1. Overview of Knowledge Discovery and Data Mining 1.1 What is Knowledge Discovery and Data Mining? 1 .2 The KDD Process 1.3 KDD and ... 1.4 Data Mining Methods 1.5 Why is KDD Necessary? 1.6 KDD Applications 1.7 Challenges for KDD Chapter 2. Preprocessing Data 2. 1 Data...

Ngày tải lên: 14/08/2014, 02:21

... back to the work of Hoveland and Hunt on concept learning systems (CLS) in the late 1950s. Table 3 .2 briefly describes this CLS scheme that is in fact a recursive top-down di- vide -and- conquer ... attrib- ute), which can have values yes or no for different Saturday mornings, is to be pre- dicted based on other attributes of the morning in question. Knowledge Discovery and...

Ngày tải lên: 14/08/2014, 02:21

... applied, to analyze data and to get a start. Most data mining techniques are not pri- marily used for undirected data mining. Association rule analysis, on the other hand, is used in this case and ... OJ and milk, OJ and detergent, OJ and soda, OJ and cleaner  Milk and detergent, milk and soda, milk and cleaner  Detergent and soda, detergent and cleane...

Ngày tải lên: 14/08/2014, 02:21

... 3 3 3 2 2 2 2 Figure 5.6: K =2 clustered by color Knowledge Discovery and Data Mining 64 As we continue to work through the K-means algorithm, pay particular attention to the fate ... each data point forming its own Knowledge Discovery and Data Mining 66 know by how much. If X, Y, and Z are ranked 1, 2, and 3, we know that X > Y > Z, b...

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... can be used for clas- sification, modeling, and time-series forecasting. For classification problems, the in- Knowledge Discovery and Data Mining 82 6 .2 Neural Network Topologies The arrangement ... Typically, the feedback is limited to either Knowledge Discovery and Data Mining 86 used variant. Its two primary virtues are that it is simple and easy to...

Ngày tải lên: 14/08/2014, 02:21

... random partition can be misleading for small or moderately-sized samples, and multiple train -and- test ex- periments can do better. Knowledge Discovery and Data Mining 1 12 Both e0 and ... measures. Knowledge Discovery and Data Mining 116 References 1. Knowledge Discovery Nuggets: http://www.kdnuggets.com/ 2. Adriaans, P. and Zantinge, D.:...

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... Wiley-VCH, Inc. ISBNs: 0-4 7 1-3 5 92 9-7 (Hardback); 0-4 7 1 -2 20 6 3-9 (Electronic) the amino acid residues that would otherwise participate in salt bridge formation. 3.1 .2 Amino Acids as Acids and Bases ... follows: [P] R : [S]  9 [S]  e\IR (2. 20) or: [P] R : [S]  (1 9 e\IR) (2. 21) Hence, from Equations 2. 17 and 2. 21 we expect the concentrations of S and P t...

Ngày tải lên: 13/08/2014, 07:20

... Libraries 23 7 Overview of Fields 23 9 Information Retrieval 24 1 2. 1 Content 24 2 2. 2 Indexing 24 7 2. 3 Retrieval 25 4 2. 4 Evaluation 25 7 2. 5 Research Directions 26 1 Digital ... 26 2 3.1 Access 26 2 3 .2 Interoperability 26 3 3.3 Preservation 26 3 Case Studies 26 4 4.1 PubMed 26 4 4 .2 User-oriented Evaluation 26 5 4.3 C...

Ngày tải lên: 06/03/2014, 12:20

... Practical Introduction to Structure, Mechanism, and Data Analysis. Robert A. Copeland Copyright  20 00 by Wiley-VCH, Inc. ISBNs: 0-4 7 1-3 5 92 9-7 (Hardback); 0-4 7 1 -2 20 6 3-9 (Electronic) Figure 10. 12 Affinity ... a number of inflammatory diseases of the respiratory system (e.g., cystic fibrosis, asthma). Kinetic studies of R-Pro-boroPhe-OH binding to chymotrypsin...

Ngày tải lên: 13/08/2014, 07:20