INTRODUCTION TO KNOWLEDGE DISCOVERY AND DATA MINING - CHAPTER 1 pdf

... 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 ... Line Income Debt 7 Chapter 1 Overview of knowledge discovery and data mining 1. 1 What is Knowledge Discovery and D...

Ngày tải lên: 14/08/2014, 02:21

... codes. The standard-form model is a data presentation that is uniform and effective across a wide spectrum of data mining methods and supplementary data- reduction techniques. Its model of data makes ... 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 transfor...

Ngày tải lên: 14/08/2014, 02:21

... Knowledge Discovery and Data Mining 36 Day Outlook Temperature Humidity Wind PlayTennis? D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D 11 D12 D13 D14 Sunny Sunny Overcast ... positive (p ⊕ = 1 ), then p ⊖ is 0, and Entropy(S) = -1  log 2 (1) - 0log 2 0 = -1 0 - 0log 2 0 = 0. Note the entropy is 1 when the collection contains an equal number of posit...

Ngày tải lên: 14/08/2014, 02:21

... Items OJ Cleaner Milk Soda Detergent OJ 4 1 1 2 1 Window Cleaner 1 2 1 1 0 Milk 1 1 1 0 0 Soda 2 1 0 3 1 Detergent 1 0 0 1 2 Table 4.2: Co-occurrence of products Since both the transactions ... handle variable-length data without the need for summarization. Other techniques tend to require records in a fixed format, which is not a natural way to rep- K...

Ngày tải lên: 14/08/2014, 02:21

... 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, but not whether (X-Y) > (Y- ... perfect sense, however, to say that a 50-year-old is twice as old as a 25-year-old or that a 10 -pound bag of sugar is twice as heavy as a 5-pound one. Age, weight, length, a...

Ngày tải lên: 14/08/2014, 02:21

... 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 understand, and it works for a wide range ... can be used for clas- sification, modeling, and time-series forecasting. For classification problems, the in- Knowledge Discovery and Data Mining 82 6.2 Ne...

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 11 2 Both e0 and ... measures. Knowledge Discovery and Data Mining 11 6 References 1. Knowledge Discovery Nuggets: http://www.kdnuggets.com/ 2. Adriaans, P. and Zantinge, D.:...

Ngày tải lên: 14/08/2014, 02:21

... ACTIVITY Storer, A. C., and Cornish-Bowden, A. (19 74) Biochem. J. 14 1, 205. Tipton, K. F. (19 92) In Enzyme Assays, A Practical Approach, R. Eisenthal and M. J. Danson, Eds., IRL Press, Oxford, pp. 1 58. Tsukada, ... 1 58. Tsukada, H., and Blow, D. M. (19 85) J. Mol. Biol. 18 4, 703. Venkatasubban, K. S., and Schowen, R. L. (19 84) CRC Crit. Rev. Biochem. 17 ,1. Waley, S. G. (...

Ngày tải lên: 13/08/2014, 07:20

... events, and P(B) > 0, then P (A|B) = P (A ∩B) P (B) . (2.5) 30 CHAPTER 2. PROBABILITY 1- 1 - 1- 1 -1 2-2 - 2-2 -2 3-3 - 3-3 -3 4-4 - 4-4 -4 5-5 - 5-5 -5 6-6 - 6-6 -6 By simple enumeration, #(A) = 6. (Another way to ... 212 10 .4 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 11 k-Sample Location Problems 21...

Ngày tải lên: 16/01/2014, 16:33