data mining concepts and techniques chapter 1 pdf

Data Mining Concepts and Techniques phần 1 potx

... of Data Mining 665 11 .3.2 Statistical 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 675 11 .4 .1 Ubiquitous ... Products and Research Prototypes 660 11 .2 .1 How to Choose a Data Mining System 660 11 .2.2 Examples of Commercial Data Mining Systems 663 11 .3 Additional Themes on Data Mining 665 11 .3 .1 Theoretical ... Impacts of Data Mining 675 11 .4 .1 Ubiquitous and Invisible Data Mining 675 11 .4.2 Data Mining, Privacy, and Data Security 678 11 .5 Trends in Data Mining 6 81 11. 6 Summary 684Exercises 685Bibliographic...

Data Mining Concepts and Techniques phần 2 ppsx

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... getχ2=(250−90)290+(50− 210 )2 210 +(200−360)2360+ (10 00−840)2840= 284.44+ 12 1.90+ 71. 11+ 30.48 = 507.93.For this 2 ì 2 table, the degrees of freedom are (2 1) (2 1) = 1. For 1 degree offreedom, ... approximately 10 0 fi% of the data are below or equal to the value, xi. We say “approximately” because 2.5 Data Reduction 832520 15  10 50 1 10 11 –20 21 30price ($)countFigure 2 .19 An equal-width ... Descriptive Data Summarization 5760005000400030002000 10 000Count of items sold40–5960–79 80–99 10 0 11 9 12 0 13 9Unit Price ($)Figure 2.4 A histogram for the data set of Table 2 .1. Table 2 .1 A...

Data Mining Concepts and Techniques phần 3 docx

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... item, and year. 4 .1 Efﬁcient Methods for Data Cube Computation 17 7a 1 :32b* :1 3b 1 :2c* :1 4d* :1 5c*:2d*:2b* :1 3c* :1 4BCD :1 1root:5 1 a2:2b*:2c3:2d4:2d* :1 5a 1 CD/a 1 :1 a 1 b*D/a 1 b* :1 3d* :1 5a 1 b*c*/a 1 b*c* :1 4Base–Tree ... quarter year dollars sold 10 01 TV 15 10 Q4 2003 250.60 10 02 TV 23 10 Q4 2003 17 5.00 . 50 01 TV all 10 Q4 2003 45,786.08 . 15 8 Chapter 4 Data Cube Computation and Data Generalizationspace. ... memory. 15 2 Chapter 3 Data Warehouse and OLAP Technology: An Overview data by OLAP operations), and data mining (which supports knowledge discovery).OLAP-based data mining is referred to as OLAP mining, ...

Data Mining Concepts and Techniques phần 4 potx

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... minsup} (10 ) } (11 ) return L = ∪kLk;procedure apriori gen(Lk 1 :frequent (k 1) -itemsets) (1) for each itemset l 1 ∈ Lk 1 (2) for each itemset l2∈ Lk 1 (3) if (l 1 [1] = l2 [1] ) ∧(l 1 [2] ... d9, d 10 ), and (3) (d 1 , d2, c3, d4, , d9, d 10 ), wherea 1 = d 1 , b2= d2, and c3= d3. The measure of the cube is count. 220 Chapter 4 Data Cube Computation and Data Generalization(a) ... computer 15 0 12 00NorthAmerica computer 200 18 00Table 4 .15 A crosstab for the sales in 2004.itemTV computer both itemslocation sales count sales count sales countAsia 15 300 12 0 10 00 13 5 13 00Europe...

Data Mining Concepts and Techniques phần 5 ppt

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... onthis partitioning isGiniincome ∈ {low,medium}(D)= 10 14 Gini(D 1 ) +4 14 Gini(D2)= 10 14  1 6 10 2−4 10 2+4 14  1  1 42−342= 0.450= Giniincome ∈ {high}(D).Similarly, ... Oj= 1 1+e−Ij; }// compute the output of each unit j (10 ) // Backpropagate the errors: (11 ) for each unit j in the output layer (12 ) Errj= Oj (1 Oj)(Tj−Oj); // compute the error (13 ) ... cancorrectly classify both tuples. Therefore, coverage(R1) = 2 /14 = 14 .28% and accuracy(R1) = 2/2 = 10 0%. 296 Chapter 6 Classiﬁcation and Predictionthat satisfy the test. The right branch out...

Data Mining Concepts and Techniques phần 6 ppt

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... follows:t =err(M 1 ) −err(M2)var(M 1 −M2)/k, (6.68)wherevar(M 1 −M2) = 1 kk∑i =1 err(M 1 )i−err(M2)i−(err(M 1 ) −err(M2))2. (6.69)To determine whether M 1 and M2are ... estimatedasvar(M 1 −M2) =var(M 1 )k 1 +var(M2)k2, (6.70) and k 1 and k2are the number of cross-validation samples (in our case, 10 -fold cross-validation rounds) used for M 1 and M2, ... asymmetric binary variables. 1 22354332 1 x2 = (3,5)x 1 = (1, 2)Euclidean distance= (22 + 32) 1/ 2 = 3. 61 Manhattan distance= 2 + 3 = 5Figure 7 .1 Euclidean and Manhattan distances...

Data Mining Concepts and Techniques phần 7 ppsx

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Data Mining Concepts and Techniques phần 8 potx

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Data Mining Concepts and Techniques phần 9 pot

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Data Mining Concepts and Techniques phần 10 pot

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FINANCIAL ANALYSIS: TOOLS AND TECHNIQUES CHAPTER 1 pptx

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... hel78340_ch 01. qxd 9/27/ 01 10:58 AM Page 11 xvi ContentsCombinations and Synergy 414 Combinations and Share Values 415 Integration of Value Analysis 417 Perspectives 418 Expectations 419 Time Period 419 Cash ... Analysis and Performance 95Management’s Point of View 97Operational Analysis 98Resource Management 10 7Profitability 11 2Owners’ Point of View 11 5Investment Return 11 6hel78340_FM.qxd 9/27/ 01 10:56 ... book.hel78340_ch 01. qxd 9/27/ 01 10:58 AM Page 19 18 Financial Analysis: Tools and Techniques production, carefully calibrated against quality standards and relative contributionfrom products and services,...

FINANCIAL ANALYSIS: TOOLS AND TECHNIQUES CHAPTER 7 pdf

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... 0.769 0.7 41 0. 714 0.690 0.6672 1. 970 1. 942 1. 886 1. 859 1. 833 1. 783 1. 736 1. 690 1. 647 1. 626 1. 605 1. 566 1. 528 1. 492 1. 457 1. 440 1. 424 1. 392 1. 3 61 1.289 1. 224 1. 165 1. 111 3 2.9 41 2.884 2.775 2.722 ... 1. 993 15 13 .865 12 .849 11 .11 8 10 .379 9. 712 8.559 7.606 6. 811 6 .14 2 5.847 5.575 5.092 4.675 4. 315 4.0 01 3.859 3.726 3.483 3.268 2.825 2.484 2. 214 1. 995 16 14 . 718 13 .578 11 .652 10 .838 10 .10 6 8.8 51 ... 2. 218 1. 998 18 16 .398 14 .992 12 .659 11 .690 10 .828 9.372 8.2 01 7.250 6.467 6 .12 8 5. 818 5.273 4. 812 4. 419 4.080 3.928 3.786 3.529 3.304 2.844 2.494 2. 219 1. 999 19 17 .226 15 .678 13 .13 4 12 .086 11 .15 8...

PORTABLE MBA IN FINANCE AND ACCOUNTING CHAPTER 1 pdf

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... 2 1 Net sales $1, 870 $1, 825 $1, 945 $2,343Gross margin $1, 122 $1, 016 $1, 043 $1, 377Gross margin 25% 30% 28% 28%Operating costs $ 383 $ 375 $ 379 $ 409Operating income $ 64 $ 16 8 $ 17 0 $ 10 0Operating ... 3,250Other 2,2 21 3,260Total current assets $ 21, 702 $30,308Property and equipment, net $ 1, 611 $ 1, 903Investments 15 , 312 19 ,939Total fixed assets $16 ,923 $ 21, 842Total assets $38,625 $52 ,15 0Current ... (862) $ (2 ,19 2)InvestingAdditions to property and equipment $ (656) $ (583) $ (879)Net additions to investments (6, 616 ) (10 ,608) (11 ,048)Net cash invested $(7,272) $ (11 ,19 1) $ (11 ,927)Net...

CDMA 120 – cdmaOne and CDMA2000 Concepts and Terminology phần 1 pdf

Danh mục: Hóa học - Dầu khí

... universityCDMA 12 0 –cdmaOne and CDMA2000 Concepts and TerminologyCDMA 12 0 –cdmaOne and CDMA2000 Concepts and TerminologyStudent Guide80 -13 3 21- 1 X 11 CDMA 12 0 – cdmaOne and CDMA2000 Concepts and TerminologyTable ... Naming 8 -10 CDMA2000 Physical Channel Naming 8 -11 CDMA2000 Logical to Physical Channel Mapping 8 -12 CDMA 12 0 – cdmaOne and CDMA2000 Concepts and TerminologyTable of Contents80 -13 3 21- 1 X 11 â 2002 ... Diego, CA 9 212 1U.S.A. CDMA 12 0 – cdmaOne and CDMA2000 Concepts and TerminologyTable of Contents80 -13 3 21- 1 X 11 â 2002 QUALCOMM Incorporated4This page left blank intentionally. CDMA 12 0cdma...

Poverty Impact Analysis: Approaches and Methods - Chapter 1 pdf

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... -0.066 0 .17 9 0.384 -0 .17 this household owns a goat -0.049 0 .11 4 0. 318 -0 .16 this household owns a chicken -0.035 0.465 0.499 -0.07this household owns other animal -0. 013 0. 014 0 .11 7 -0 .11 household ... education 0 .17 0 0.055 0.228 0.75spouse finishes tertiary education 0 .10 8 0. 010 0.098 1. 10household size 0.073 4 .12 9 1. 759 0.04dependency ratio of this household is more than 0.5 -0. 014 0 .11 3 0. 317 -0.05household ... 0.5 91 0.492 0 .12 wall of the house is made from concrete 0. 213 0. 419 0.493 0.43floor of the house is dirt floor -0 .16 4 0. 217 0. 412 -0.40toilet type of the house is flush 0.269 0.264 0.4 41 0. 61 this...

Precast concrete materials, manufacture, properties and usage - Chapter 1 pdf

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... leaving mix design to Chapters 5 and 6. 1. 5 .1 Cement typesThe most common cements used are ordinary and rapid-hardeningPortland (including white), sulphate-resisting and high alumina cement.Universally ... condition and clean. Cover to steel and its associated problems are discussed in Chapter 8. 1. 8.2 ‘Reinforcing’ fibres and meshesFibres and meshes made from steel, polypropylene, glass and carbon ... A-y.Figure 1. 1 shows how a joint can be designed to cater for resistance toarris damage and give apparent uniform joint thickness.Fig. 1. 1. Chamfered joint to cater for tolerances and arris...