Tuesday, January 7, 2020
Induction Of Decision Trees Analysis - 1571 Words
The paper, Induction of Decision Trees, briefly discusses the history of machine learning algorithms, the decision tree family of algorithms and their various use cases before giving an in depth explanation of the ID3 algorithm. This essay focuses on a couple of central ideas behind induction on decision trees. The first section will contain general background information and context leading up to the creation of decision trees. Once the context is established, there will be a quick introduction into the ID3 algorithm. This will be followed by a more rigorous discussion of the concepts of shannonââ¬â¢s entropy and information gain. Following the discussion on entropy there will be a quick overview on the proposed methods of handling noisy data. The last section will contain a critique of the paper. The field of artificial intelligence gained in popularity during the twentieth century, accompanying the rise in ubiquity of computers. During this time, the main goal of research was to use computers to solve problems in an intelligent manner. In other words, researchers sought to develop algorithms that learn how to solve problems. Quinlan mentions that one group of researchers focused on creating programs that learn through a feedback cycle of self-testing and ââ¬Å"adjusting internal parameters.â⬠A good example of this would be a program written to play checkers against itself many thousands of times. Each time a sequences of moves produces a winning result, that sequence is given aShow MoreRelatedComparative Analysis Of Data Mining Tools1685 Words à |à 7 Pages Comparative Analysis of Data Mining Tools Research Paper 11/16/2015 Dr. Kweku-Muata Osei-Bryson 1. Executive Summary This research paper is about the Comparative analysis of three data mining softwareââ¬â¢s selected based on four important criteria Performance, Functionality, Usability and Ancillary Tasks support. ââ¬Å"Data Mining is a field of study that is gaining importance and is used to explore data in search of patterns or relationships between variables and is applied to new data used for predictionsâ⬠Read More Data Mining in a Nut Shell Essay1701 Words à |à 7 Pagesfulfillment of these tasks can be enhanced if appropriate data has been collected and if that data is stored in a data warehouse. According to Stanford University, A Data Warehouse is a repository of integrated information, available for queries and analysis. Data and information are extracted from heterogeneous sources as they are generated....This makes it much easier and more efficient to run queries over data that originally came from different sources. When data about an organizationââ¬â¢s practicesRead Mor eIntegrity : Integrity And Integrity1144 Words à |à 5 Pagesavailable in a consolidated form to help managers a and others make decisions. A data warehouse is a special type of database that alleviates this problem by consolidating and storing data from various databases throughout the enterprise. Data warehouses are designed to perform data analysis rather than support routine operations. Data Warehouses The principal purpose of the data warehouse is to provide data for improved decision support. A data warehouse usually contains historical data that areRead MoreDecision Tree Induction Clustering Techniques in Sas Enterprise Miner, Spss Clementine, and Ibm Intelligent Miner ââ¬â a Comparative Analysis6636 Words à |à 27 PagesInternational Journal of Management Information Systems ââ¬â Third Quarter 2010 Volume 14, Number 3 Decision Tree Induction Clustering Techniques In SAS Enterprise Miner, SPSS Clementine, And IBM Intelligent Miner ââ¬â A Comparative Analysis Abdullah M. Al Ghoson, Virginia Commonwealth University, USA ABSTRACT Decision tree induction and Clustering are two of the most prevalent data mining techniques used separately or together in many business applications. Most commercial data mining softwareRead MoreEssay Data Mining1491 Words à |à 6 Pagesthought to query the computer about. Without adding any more data, data mining gives a huge increase in the value added by the database. It allows both technical and non-technical users get better answers, allowing them to make a much more informed decision, saving their companies millions of dollars. Introduction Data mining is the process of discovering meaningful new correlations, patterns, and trends by sifting through large amounts of data stored in repositories, using pattern recognitionRead MoreThe Static Model Of Data Mining Essay1710 Words à |à 7 PagesAbstract: Lot of research done in mining software repository. In this paper we discussed about the static model of data mining to extract defect .Different algorithms are used to find defects like naà ¯ve bayes algorithm, Neural Network, Decision tree. But Naà ¯ve Bayes algorithm has the best result .Data mining approach are used to predict defects in software .We used NASA dataset namely, Data rive. Software metrics are also used to find defects. Keywords: Naà ¯ve Bayes algorithm, Software Metric, SolutionRead MoreData Mining1668 Words à |à 7 Pagescomputer processing power, disk storage, and statistical software are dramatically increasing the accuracy of analysis while driving down the cost. Example For example, one Midwest grocery chain used the data mining capacity of Oracle software to analyze local buying patterns. They discovered that when men bought diapers on Thursdays and Saturdays, they also tended to buy beer. Further analysis showed that these shoppers typically did their weekly grocery shopping on Saturdays. On Thursdays, howeverRead MoreBusiness: Artificial Neural Network and Data2030 Words à |à 9 Pagesthumb 9. Common tools used for supervised induction are neural networks, dicision trees and if then else rules that need not have a tree structure 10. data cleansing is a critical aspect of data warehousing that includes reconciling conflicting data definitions and formats organization-wide. 11. which of the following is not a major activity of OLAP? Analytics 12. which of the following is a capability provided by OLAP to large set of data? Modeling, Analysis , visualization, all of the above 13Read MoreData Mining Fundamentals2140 Words à |à 9 PagesData Mining DM Defined Is the analysis of (often large) observational data sets to find unsuspected relationships and to summarize the data in novel ways that are both understandable and useful to the data owner Process of analyzing data from different perspectives and summarizing it into useful information A class of database applications that look for hidden patterns in a group of data that can be used to predict future behavior. DM Defined The relationships and summaries derivedRead MoreAnalysis Of Big Data, Data Mining, And Data Analytics Essay1080 Words à |à 5 Pagesdatabase management systems cannot manage (Rainer, 2015). Big data has three main qualities which are volume, velocity, and variety (Rainer, 2015). A distinct goal of big data analytics is to provide companies with more information to make better decisions (Rouse, 2014). Big data is gathered in large amounts, very quickly, and from many different sources. Sources of this data can come from web server logs, internet clickstream data, social media content, social media activity, texts and emails, phone
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