... general Ukr values for auto-transformers are lower The Ukr for network transformers in the UK is, on average, twice as large as those reported from other countries A The relationship for two- ... three-winding network transformers is as follows: X
... well The runtime for the standard k- means and MacQueen’s methods increased greatly, while the time for FES -k- means increased only slightly At 50 percent, for both the standard k- means and MacQueen’s ... 40 50 60 % of data (a) 70 80 90 100 % of data (b) 14 12 MSE (dB) 10 10 20 30 40 50 60 % of data 70 80 90 100 k- means MacQueen FES -k- means (c) Figure 3: A comparison of three k- means algorithms ... algorithm, compilation, and fieldwork Jameson Lwebuga-Mukasa for asthma datasets and Anne Evens and Patrick MacRoy for BLL dataset Special thanks to anonymous reviewers for offering their insightful...
... − k) 2 + 2N + 4k − kk π(1 − π) N (N − k) 2 n2i N π(1 − π) (3N − 2k) (N − 2k) − N (N − k) 2 + + 4− π(1 − π) n2i − n2i )) n2i )) Or, in form of the cubic function of ρ,it is: × ni 2N − k ρ (N − k) 2 ... estimate Note that such kind of data will be rejected: • Si = 0, for i=1,2, ,k; • Si = ni , for i=1,2, ,k; • ni = 1, for i=1,2, ,k; It is reasonable to reject these kinds of data since we are ... 1)2 n2A (1 − ρ) × (N − k) 2 [1 + (k − 1)nA (1 − ρ) + ρ(N − 1)]4 N 2N k + k − π(1 − π) +N −6 π(1 − π) ni + N2 −3 π(1 − π) n2i +ρ − N (2N − k) + k( 2N − k) − π(1 − π) +ρ2 (N − k) 2 (N − 2.5.2 n2i )...
... Warehouse Data Fact data - Measures Dimension data - Query drivers Summary data - Pre-calculated data Fact Data and Tables Many fact tables in the warehouse The bulk of the warehouse data ... Design for simplicity Design for relevance Simple star model Flexible snowflake model Summary Enterprise data warehouses Data marts Independent Dependant Warehouse dataDatamodels ... start point for analysis An information framework for the warehouse A guide to integration Sales Accounts Receivable Marketing HR Accounts Payable Inventory Never use directly for the warehouse...
... increase ranges from 0.66 K (2.82%) in September to 1.92 K (7.85%) in June for Athens and from 0.61 K (2.36%) in July to 0.91 K (3.91%) in June for Thessaloniki Only in Thessaloniki in September the ... 0.23 K (1.04%) During winter, the increase ranges from 0.29 K (3.08%) in January to 1.17 K (12.52%) in February for Athens and from 0.21 K (3.43%) in January to 0.98 K (14.21%) in February for ... emissions (kg) of the model residential building for Athens, by the use of diesel oil for heating and electricity for cooling demands Period Oil [kgCO2] Electricity [kgCO2] Total (Oil+Electricity) [kgCO2]...
... cụm cụm khác CHƯƠNG IV :DEMO ỨNG DỤNG THUẬT TOÁN K- MEANS Công Nghệ Phần Mềm K5 3 16 | P a g e Chạy thuật toán K- Means với hệ màu RGB Chạy Thuật toán K- Means với hệ HSV Công Nghệ Phần Mềm K5 3 17 ... người dùng web III.CÁC K THUẬT PHÂN CỤM Công Nghệ Phần Mềm K5 3 9|Page CHƯƠNG II: THUẬT TOÁN K- MEANS K- Means thuật toán lặp đơn giản để chia Cơ Sở Dữ Liệu thành k nhóm (k người dùng định ).Được ... ,công việc tổ chức ,doanh nghiệp cá nhân Một khuynh hướng k thuật đời k thuật khai phá liệu k thuật Data mining (Khai phá liệu).Trong phương pháp khai phá liệu có phương pháp gọi Clustering...
... cụm K liệu phân cụm lớn 2.3 - Ứng dụng thuật toán K- Means Trong ví dụ này, giới thiệu cách xây dựng KnowledgeFlow để triển khai k thuật phân cụm dựa thuật toán K- MeansData Mining Software WeKa ... cụm……………… PHẦN II: THUẬT TOÁN K- MEANS 2.1 - Giới thiệu thuật toán K- MEANS …… 2.2 - Thuật toán K- MEANS 2.3 - Ứng dụng thuật toán K- MEANS 2.4 - Một số biến dạng thuật toán K- MEAN PHẦN I : GIỚI THIỆU ... toán K- means : Thuật toán k- means mô tả cụ thể sau: Input: K, liệu n mẫu CSDL Output: Một tập gồm K cluster cho cực tiểu tổng sai-số vuông Thuật toán: Bước 1: Chọn ngẫu nhiên K mẫu vào K cluster...
... lạnh Ethiopia không gay gắt lạnh dãy Himalaya đủ làm rùng mình, cảm giác vừa bước khỏi chăn sáng sớm đầu đông Những người xung quanh rục rịch khoác thêm áo lên người kiên không mặc áo khoác Tôi muốn ... Trung Quốc để xin Tôi nhờ đại sứ quán Việt Nam Ai Cập tác động không Nghĩ họ cố tình làm khó mình, cáu đến mức thề sống thề chết không thèm sang Ethiopia Nhưng sang đến Israel, tình cờ qua đại ... Cập, mà phép vào khu vực Sinai Sinai thuộc Ai Cập, bán đảo có sách visa riêng Họ miễn visa cho muốn du lịch Để tiết kiệm tiền, chuyến bay Sinai - Ethiopia có cảnh Cairo, Ai Cập Khi xuống đến Cairo,...
... 893 135 N V Kolesnichenko, M V Sharikova, T H Murzabekova, N A Markova, E V Slivinskii, Izv Akad Nauk, Ser Khim 1995, 1943 136 E Karakhanov, T Filippova, A Maximov, V Predeina, A Restakyan, Macromol ... N Tsvetkov, N A Bondarenko, I G Malakhova, M I Kabachnik, Synthesis 1986, 198 26 T Bartik, B Bartik, B E Hanson, I Guo, I Tóth, Organometallics 1993, 12, 164 27 T Bartik, H Ding, B Bartik, B E ... Holz, M Quirmbach, A Börner, Synthesis 1997, 983 107 T Okano, K Morimoto, H Konishi, J Kiji, Nippon Kagaku Kaishi 1985, 486 108 T N Mitchell, K Heesche-Wagner, J Organometal Chem 1992, 436, 43 109...
... there are different vendors for front- and back-office apps BI, DSS, and KM Apps: Nortel Networks Enable both active and passive delivery of information from large scale databases – Providing enterprises ... (ERP, CRM , SCM): well-integrated, modular building blocks for modern business designs – Common platform for apps in a given functionality – Backbone of modern enterprise Emphasis on enterprise apps ... environment is driving the need for integrated apps New Brunswick Power – Deregulation and demand for better customer service began to strain existing apps – Forced to reevaluate business processes,...
... Strategies, CRM Key Benefits • Deeper understanding of customers • Increased marketing and selling opportunities • Identifying the most profitable customers • Making it easier for sales and channel ... Us More Are your product life cycles shrinking and are you getting new products to market faster? Can you provide real-time customer data to your sales force? Have you found a cost-effective method ... centers Business intelligence Customer data integration and analysis Web-based billing systems Marketing automation/campaign management systems Mobile CRM Banking and Financial Services – Primary...
... – How to make effective use of raw data – How to convert raw data into revenue Wave Foundation of KM: information sorting, extraction, packaging, and dissemination Wave – Reactive, data centric ... Strategies, Transform Extract Deliver Data Scrubbing Load, Index & Transaction & Cleansing Data Extract Aggregate Publish & Subscribe Meta -Data Histories& Summaries Data Access Tools Data Mining Data Replication ... Reporting Sales Data To survive, forced to embrace BI on a dramatic scale – single data source to capture sales data and generate reports Built Sales Knowledge app – 1.7-terabyte data warehouse...
... Framework • How should you invest in framework integration? • What framework projects are high, medium and low priority? • What set of framework projects we need to initiate? Key Objectives Feedback ... the framework business case? e-Blueprint Facilitation • How can frameworks be aligned to achieve business goals? Make a Business Case • Can we make a compelling case to decision makers for Action ... market needs Skill Development Distinctive process thinking Excellent strategic decision making Implementation Approach Highly linear Entrepreneurial Measuring Progress Efficiency targets Market...
... surface – Technology changes quickly but underlying customer needs not Categories of customer requirements – – – – Strategic, “forward thinking” that market has not asked for yet Customer-driven, “requested” ... building blocks of each process • Identify all key inputs - information, data, or products - of each major activity Ask “which of these are absolutely critical to the process?” • Identify all key dependencies ... communication plan necessary for a project to function like a well-oiled machine – to keep mgmt, customers, and team members informed of project’s status and milestones at risk of being missed – Identifies...