Association rules

Xem 1-20 trên 91 kết quả Association rules
  • Đồ án tốt nghiệp: Nghiên cứu Datamining microsoft server 2005 với thuật toán microsoft association rules và microsoft decision tree trình bày về khái niệm khai thác dữ liệu; các thuật toán khai thác dữ liệu; decision tree; định hướng phát triển. Mời các bạn tham khảo.

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  • Association rules represent a promising technique to find hidden patterns in a medical data set. The main issue about mining association rules in a medical data set is the large number of rules that are discovered, most of which are irrelevant. Such number of rules makes search slow and interpretation by the domain expert difficult. In this work, search constraints are introduced to find only medically significant association rules and make search more efficient.

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  • Bài giảng Khai mở dữ liệu: Luật kết hợp (Association rules) trình bày định nghĩa luật kết hợp, Support và Frequent Itemsets, tính chất của subset, khác nhau giữa luật phân lớp và luật kết hợp và một số nội dung khác.

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  • This paper proposes a method for mining fuzzy association rules using compressed database. We also use the approach of Hedge Algebra (HA) to build the membership function for attributes instead of using the normal way of fuzzy set theory. This approach allows us to explore fuzzy association rules through a relatively simple algorithm which is faster in terms of time, but it still brings association rules which are as good as the classical algorithms for mining association rules.

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  • Chapter 2: Data Mining includes about Overview of data mining, Association rules, Classification, Regression, Clustering, Other Data Mining problems, Applications of data mining.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Retrovirology Research cung cấp cho các bạn kiến thức về ngành y đề tài:"Discovery of novel targets for multi-epitope vaccines: Screening of HIV-1 genomes using association rule mining...

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  • Using an applications perspective Thermodynamic Models for Industrial Applications provides a unified framework for the development of various thermodynamic models, ranging from the classical models to some of the most advanced ones. Among these are the Cubic Plus Association Equation of State (CPA EoS) and the Perturbed Chain Statistical Association Fluid Theory (PC-SAFT). These two advanced models are already in widespread use in industry and academia, especially within the oil and gas, chemical and polymer industries....

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  • Given a set of transactions, find rules that will predict the occurrence of an item based on the occurrences of other items in the transaction. Given a set of transactions T, the goal of association rule mining is to find all rules having support ≥ minsup threshold confidence ≥ minconf threshold Brute-force approach: List all possible association rules Compute the support and confidence for each rule Prune rules that fail the minsup and minconf thresholds  Computationally prohibitive!...

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  • 4.2.3 MTMF MTMF combines the best parts of the Linear Spectral Mixing model and the statistical Matched Filter model while avoiding the drawbacks of each parent method (Boardman, 1998). It is a useful Matched Filter method without knowing all the possible endmembers in a landscape especially in case of subtle, sub-pixel occurrences. Firstly, pixel spectra and endmember spectra require a minimum noise fraction (MNF) (Green et al., 1988, Boardman, 1993) transformation. MNF reduces and separates an image into its most dimensional and non-noisy components.

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  • Mục tiêu cơ bản của chương 2 Luật kết hợp (Association Rules) thuộc bài giảng Khai phá dữ liệu trình bày về khái niệm cơ bản về luật kết hợp, thuật toán Apriori, tìm tập phổ biến tối đại với FP-Tree, phân loại luật kết hợp và tối ưu tập luật.

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  • The Political Economy of the World Trading System is a comprehensive textbook account of the economics, institutional mechanics and politics of the world trading system. This third edition has been expanded and updated to cover developments in the World Trade Organisation (WTO) since its formation, including the Doha Round, presenting the essentials of trade negotiations and the WTO's rules and disciplines.

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  • Environmental issues play a major role in the planning, design, construction, and rehabilitation of highways. Indeed, their prominence has grown as the public has become increasingly informed on environmental issues and associated requirements. This chapter provides an overview to lend guidance in understanding environmental issues, and information to aid in the process of effectively addressing the various requirements in this area.

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  • The ASME Boiler and Pressure Vessel Code (BPVC) has established rules of safety governing the design, fabrication, and inspection of boilers and pressure vessels, power producing machines (and associated subsystems) and nuclear power plant components.

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  • Pulmonary embolism is a serious, potentially life-threatening cardiopulmonary disease that occurs due to partial or total obstruction of the pulmonary arterial bed. Pulmonary embolism constitutes 5-25% of in-hospital deaths, and mortality is decreased from 30% to 8% with early treatment. Therefore, risk factors should be identified and treatment should be planned to decrease the risk of mortality. Clinical findings, routine laboratory data, electrocardiogram, chest X-ray, and arterial blood gases are not sufficient to diagnose or rule out pulmonary embolus.

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  • Data Mining with Association Rules - 4,1 Khi kết hợp nguyên tắc phân tích hữu ích? Một sức hấp dẫn của phân tích thị trường xuất phát từ sự rõ ràng và tiện ích của kết quả của nó, mà trong các hình thức của luật kết hợp. Có một hấp dẫn trực quan để phân tích thị trường bởi vì nó thể hiện sản phẩm hữu hình và các dịch vụ liên quan đến nhau, làm thế nào họ có xu hướng nhóm với nhau. Một nguyên tắc giống như, "nếu một khách hàng mua ba cách gọi điện...

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  • The problems associated with the frenetic combustion of fossil fuels are many: pollution, global warming, and foreseeable exhaustion of resources, among others. Although difficult to estimate, the costs associated with these problems are huge and indirect,8 and may be financial, human, or both. Costs induced by pollution include, but are not limited to, health expenses, the cost of replanting forests devastated by acid rain, and the cost of cleaning and fixing monuments corroded by acid rain. Health expenses probably represent the largest share of these costs, especially in developed...

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  • In the beginning, the word ‘Project’ was associated primarily with engineering, in particular with developments at the forefront of technology. The next place it cropped up was in Information Technology where Software Programming required sophisticated project methodology. Today, though, a project mentality is essential in our topsy turvey world of the new millennium. The organisations that will remain healthy are the ones that have an effective and widely understood approach to managing projects as a way of implementing change. ...

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  • Russell L. Parr, CFA, ASA is president of IPRA, Inc. (Intellectual Property Research Associates). He is a consultant, author, publisher, and lecturer focused on the valuation, pricing, and strategic management of intellectual property. For over twenty-five years, he has advised his clients about the value and pricing of patents, trademarks, copyrights, and trade secrets. His books are published in Japanese, Korean, Italian, Chinese, and Russian. Mr.

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  • ITARM - Incremental Temporal Association Rules Mining dựa trên nền của thuật toán Sliding-Window Filtering, duy trì những tập tập phổ biến sau khi dữ liệu đã được cập nhật. Cùng tìm hiểu thuật toán này qua bài tiểu luận Thuật toán hiệu quả trong việc khai thác những luật kết hợp thời gian - ITARM.

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  • It’s the other four-letter word. The D-word. The D-bomb. DIET. Why do we hate that word so much? Hunger. Failure. Rules. Restrictions. Deprivation. Expectations. Rebound weight-gain. Eating disorders. Strained relationships. Bad foods. Bad moods. Bad breath. Guilt. There are so many negative associations with the word diet, it’s no wonder that over half the North American population is overweight. We hate dieting. It’s torturous. Tacky. Totally depressing. And even worse, dieting doesn’t seem to work.

    pdf242p cronus75 13-01-2013 14 6   Download

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