data mining concepts and techniques ppt chapter 5

... data, we compute x = 9.1 and y = 55 .4 Substituting these values into Equations (6 .50 ) and (6 .51 ), we get w1 = (3 − 9.1)(30 − 55 .4) + (8 − 9.1) (57 − 55 .4) + · · · + (16 − 9.1)(83 − 55 .4) = 3 .5 ... a small data size Recent data mining research has built on such work, developing scalable classification and prediction techniques capable of handling large disk-resident data In this chapter, ... analysis, and clustering Data cleaning, relevance analysis (in the form of correlation analysis and attribute subset selection), and data transformation are described in greater detail in Chapter

Ngày tải lên: 08/08/2014, 18:22

... ϭ 0. 25 … Fish P(C1) ϭ 0. 25 P(scales C1) ϭ 1.0 … Amphibian P(C2) ϭ 0. 25 P(moist C2) ϭ 1.0 … Mammal P(C4) ϭ 0 .5 P(hair C4) ϭ 1.0 … Mammal/bird P(C3) ϭ 0 .5 P(hair C3) ϭ 0 .5 … Bird P(C5) ϭ 0 .5 P(feathers ... of data tuples The bootstrap method works well with small data sets 14 e is the base of natural logarithms, that is, e = 2.718 366 Chapter Classification and Prediction M1 New data sample M2 Data ... in terms of error)? Holdout, random subsampling, crossvalidation, and the bootstrap are common techniques for assessing accuracy based on 364 Chapter Classification and Prediction Training set Derive

Ngày tải lên: 08/08/2014, 18:22

... a data mining query language can be used to specify data mining tasks In particular, we examine how to define data warehouses and data marts in our SQL-based data mining query language, DMQL Data ... the data set of Table 2.1 Table 2.1 A set of unit price data for items sold at a branch of AllElectronics Unit price ($) Count of items sold 40 2 75 43 300 47 250 74 360 75 5 15 78 54 0 1 15 320 ... plots of sales data for two different time periods, we can Chapter Data Preprocessing Unit price ($) 58 140 120 100 80 60 40 20 0.000 0. 250 0 .50 0 f-value 0. 750 1.000 Figure 2 .5 A quantile plot

Ngày tải lên: 08/08/2014, 18:22

... detailed data and the lightly summarized data, and between the lightly summarized data and the highly summarized data Metadata should be stored and managed persistently (i.e., on disk) 3.3 .5 Types ... data warehousing technology 3.3.4 Metadata Repository Metadata are data about data When used in a data warehouse, metadata are the data that define warehouse objects Figure 3.12 showed a metadata ... corporate data model Figure 3.13 A recommended approach for data warehouse development 134 Chapter Data Warehouse and OLAP Technology: An Overview 3.3.3 Data Warehouse Back-End Tools and Utilities Data

Ngày tải lên: 08/08/2014, 18:22

... count sales count Asia 15 300 120 1000 1 35 1300 Europe 12 250 150 1200 162 1 450 North America 28 450 200 1800 228 2 250 all regions 45 1000 470 4000 52 5 50 00 Generalized data can be presented graphically, ... association mining was studied in Han and Fu [HF 95] , and Srikant and Agrawal [SA 95] In Srikant and Agrawal [SA 95] , such mining was studied in the context of generalized association rules, and an R-interest ... was studied by Park, Chen, and Yu [PCY95a] Transaction reduction techniques are described in Agrawal and Srikant [AS94b], Han and Fu [HF 95] , and Park, Chen, and Yu [PCY95a] The partitioning technique

Ngày tải lên: 08/08/2014, 18:22

... patterns that are 51 0 Chapter Mining Stream, Time-Series, and Sequence Data of no interest Such unfocused mining can reduce both the efficiency and usability of frequent-pattern mining Thus, we ... sequences and discover biosequence patterns 51 4 Chapter Mining Stream, Time-Series, and Sequence Data Before we get into further details, let’s look at the type of data being analyzed DNA and proteins ... into the mining process Nonetheless, this constraint can easily be integrated with the pattern-growth mining process as follows 51 2 Chapter Mining Stream, Time-Series, and Sequence Data First,

Ngày tải lên: 08/08/2014, 18:22

... on database systems, especially on object-oriented and object-relational database systems 59 1 59 2 Chapter 10 Mining Object, Spatial, Multimedia, Text, and Web Data One step beyond the storage and ... in both time and space 58 6 Chapter Graph Mining, Social Network Analysis, and Multirelational Data Mining CrossMine and CrossClus are methods for multirelational classification and multirelational ... retrieval and multidimensional indexing methods, should be integrated with data generalization and data mining techniques to achieve satisfactory results Techniques for mining such data are further

Ngày tải lên: 08/08/2014, 18:22

... Applications and Trends in Data Mining Coupling data mining with database and/ or data warehouse systems: A data mining system should be coupled with a database and/ or data warehouse system, where ... standardize data mining products and to 11.2 Data Mining System Products and Research Prototypes 663 ensure the interoperability of data mining systems Recent efforts at defining and standardizing data mining ... visualizer, and (multidimensional data) scatter visualizer for the visualization of data and data mining results 664 Chapter 11 Applications and Trends in Data Mining Oracle Data Mining (ODM),

Ngày tải lên: 08/08/2014, 18:22

... the benefits of data mining in terms of time and money savings and the discovery of new knowledge 11 .5 Trends in Data Mining The diversity of data, data mining tasks, and data mining approaches ... content mining, Weblog mining, and data mining services on the Internet will become one of the most important and flourishing subfields in data mining Distributed data mining: Traditional data mining ... issues in data mining The development of efficient and effective data mining methods and systems, the construction of interactive and integrated data mining environments, the design of data mining

Ngày tải lên: 08/08/2014, 18:22

... MƠN HỌC KHAI THÁC DỮ LIỆU VÀ ỨNG DỤNG ĐỀ TÀI : KHAI THÁC ĐỒ THỊ DỰA TRÊN TÀI LIỆU : Data Mining: Concepts and Techniques, Jiawei Han TP.HCM – 12/2012 Tóm tắt nội dung đồ án Đồ thị biểu thị cho ... đánh số thứ tự đỉnh, mở rộng sau(cạnh e2) thực trước mở rộng tới trước(cạnh e3, cạnh e5) e5: (2,4) Hình 15: Ví dụ thứ tự tạo mã DFS theo cách duyệt Trong vấn đề đồ thị có nhiều mã DFS khác nhau, ... thị cách xóa cạnh khơng thỏa mãn độ hỗ trợ (b) 15 Hình 19: Ví dụ làm đồ thị gSpan – Step 2: Tìm tất cạnh đơn phổ biến, cạnh có độ hỗ trợ lớn {(a _5, c_3),(a_6,c_1)} => (0,1,a,c) {(b_2,c_3),(b_4,c_1)}

Ngày tải lên: 12/11/2015, 13:20

... -1.83 9 .5 -2.14 52 0.43 34.6 0. 65 23 -1.83 26 .5 -0. 25 54 0 .59 42 .5 1 .53 27 -1 .51 7.8 -2.33 54 0 .59 28.8 0.0 27 -1 .51 17.8 -1.22 56 0.74 33.4 0 .51 39 -0 .58 31.4 0.29 57 0.82 30.2 0.16 41 -0.42 25. 9 ... partitioning bin bin bin 5, 10,11,13 15, 35, 50 ,55 72,92,204,2 15 (b) equal-width partitioning The width of each interval will be (2 15 − 5) /3 = 70 bin bin bin 5, 10,11,13, 15, 35, 50 ,55 ,72 92 204,2 15 (c) clustering ... 45 25 25 20 20 15 15 10 10 20 25 30 35 40 45 50 55 60 65 20 25 30 age 35 40 45 50 55 60 65 age Figure 2.3: A q-q plot and a scatter plot of the variables age and %fat in Exercise 2.9 (d) Normalize

Ngày tải lên: 16/10/2021, 15:40

... commonality and resource similarity • Awareness, motivation, and ability • First mover incentives, size, and quality COMPETITIVE DYNAMICS • • (All firms) Market speed (slowcycle, fast-cycle, and standard-cycle ... Fast-Cycle Markets Rapid and Inexpensive Not sustainable Reverse engineering StandardCycle Markets Faster and less costly than in slow- Partially sustainable cycle markets; and slower and more expensive ... products, and targeting similar customers EXAMPLES: ■ Southwest, Delta, United, Continental, and JetBlue ■ PepsiCo and Coca-Cola Company ■ Apple’s family of products (Macs, iPads, iPods, and iPhones)

Ngày tải lên: 09/12/2016, 15:05

... 5, 52 01 6 651 1903–41; 52 – 65 1937– 65 19 15 65 1878–19 65 1909–16; 23– 65 302 194 154 303 59 9 4 15 361 427 200 457 259 212 182 1,0401 1,280 1927– 65 19 05 65 1960– 65 1 955 – 65 ... 1922– 65 1948– 65 1910– 65 1910–26; 50 – 65 1 952 – 65 1,210 5, 920 1,130 9,630 2 05 5 05 3,130 55 5 5, 270 134 339 1,940 54 9 3,470 147 340 1,600 666 2,810 253 150 50 .9 46.7 3, 250 ... 85. 1 158 179 457 150 95. 3 155 292 696 161 1 05 153 334 877 2 45 1 85 221 327 9631 296 184 230 1912– 65 1890–19 65 1930– 65 1934– 65 1911– 65 169 471 161 51 9 7 95 140 396 139 52 0

Ngày tải lên: 11/08/2014, 21:21

... relationships Eq. (5. 2.8), it is easily verified that Eq. (5. 2.13) is equivalent to the matching matrix equations (5. 2.3) and (5. 2.4). 5. 3. Reflected and Transmitted Power 159 5. 3 Reflected and Transmitted ... reflection response of slab 170 5. Reflection and Transmission 400 450 50 0 55 0 600 650 700 0 1 2 3 4 5 | Γ 1 (λ)| 2 (percent) λ (nm) Antireflection Coating on Glass n glass = 1 .50 n 1 = 1.22 n 1 ... plate of thickness, say, of l = 1 .5 mm and index n = 1 .5, it would have optical length nl = 1 .5? ?1 .5 = 2. 25 mm = 2 25? ?10 4 nm. At an operating wavelength of λ 0 = 450 nm, the glass plate would act

Ngày tải lên: 13/08/2014, 02:20

... [14] [ 15] [16] [17] [18] [19] [20] with bounded rationality,” IEEE Trans Syst., Man, Cybern., vol SMC-12, pp 334-344, 1982 S K Andreadakis and A H Levis, “Design methodology for command and control ... Processing in Systems and Organizations, A P Sage, Ed., Oxford: Pergamon Books Ltd., 1988 J.-M Monguillet and A H Levis, “Modeling and evaluation of variable structure command and control organizations," ... Trang 10 where e and s are n x 1 and F, G, H, and C are of dimension n x n From the definition of the arrays (see Fig 4.1) it is apparent that the diagonal elements of F, G, H, and C are identically

Ngày tải lên: 07/11/2013, 09:15

... and 4-DPSK as compared to 2- and 4-PAM Coherent... polarization, leading to outstanding SNR efficiency for 2- and 4-PSK, and still reasonable SNR efficiency for 8-PSK and for 8- and ... and interferometric detection is equivalent to standard... b/s/Hz, 4-DPSK and 4PSK are perhaps the most attractive techniques At spectral efficiencies above 2 b/s/Hz, 8-PSK and 8- and ... and conferences of this area, where technological and experimental aspects usually play a predominant role On the other hand, this book, namely Optical Communications Theory and Techniques,

Ngày tải lên: 20/01/2014, 06:20

... Data Mining 666 11.3.3 Visual and Audio Data Mining 667 11.3.4 Data Mining and Collaborative Filtering 670 11.4 Social Impacts of Data Mining 6 75 11.4.1 Ubiquitous and Invisible Data Mining 6 75 11.4.2 ... object-relational databases and specific application-oriented databases, such as spatial databases, time-series databases, text databases, and multimedia databases. The challenges and techniques of mining ... read- ing are organized per chapter. Links to data mining data sets and software. We will provide a set of links to data mining data sets and sites containing interesting data mining software pack- ages,...

Ngày tải lên: 08/08/2014, 18:22

... Total Articles Correctly Placed Financial 55 5 364 Foreign 341 260 National 273 36 Metro 943 746 Sports 738 57 3 Entertainment 354 278 © Tan,Steinbach, Kumar Introduction to Data Mining 5 What is Data Mining? Many Definitions – Non-trivial ... Introduction to Data Mining 29 Challenges of Data Mining Scalability Dimensionality Complex and Heterogeneous Data Data Quality Data Ownership and Distribution Privacy Preservation Streaming Data © Tan,Steinbach, ... to Data Mining 1 Data Mining: Introduction Lecture Notes for Chapter 1 Introduction to Data Mining by Tan, Steinbach, Kumar © Tan,Steinbach, Kumar Introduction to Data Mining 8 Data Mining Tasks Prediction...

Ngày tải lên: 15/03/2014, 09:20

... improve generalization error © Tan,Steinbach, Kumar Introduction to Data Mining 32 C4 .5 versus C4.5rules versus RIPPER C4.5rules: (Give Birth=No, Can Fly=Yes) → Birds (Give Birth=No, Live in ... Introduction to Data Mining 50 Example of Bayes Theorem Given: – A doctor knows that meningitis causes stiff neck 50 % of the time – Prior probability of any patient having meningitis is 1 /50 ,000 – Prior ... Yes Single 125K No 2 No Married 100K No 3 No Single 70K No 4 Yes Married 120K No 5 No Divorced 95K Yes 6 No Married 60K No 7 Yes Divorced 220K No 8 No Single 85K Yes 9 No Married 75K No 10 No...

Ngày tải lên: 15/03/2014, 09:20