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A practical guide to data mining using SQL and Excel Data Analysis Using SQL and Excel, 2nd Edition shows you how to leverage the two most popular tools for data query and analysis SQL and Excel to perform sophisticated data analysis without the need for complex and expensive data mining tools. Written by a leading expert on business data mining, this book shows you how to extract useful business information from relational databases. You'll learn the fundamental techniques before moving into the "where" and "why" of each analysis, and then learn how to design and perform these analyses using SQL and Excel. Examples include SQL and Excel code, and the appendix shows how non-standard constructs are implemented in other major databases, including Oracle and IBM DB2/UDB. The companion website includes datasets and Excel spreadsheets, and the book provides hints, warnings, and technical asides to help you every step of the way. Data Analysis Using SQL and Excel, 2nd Edition shows you how to perform a wide range of sophisticated analyses using these simple tools, sparing you the significant expense of proprietary data mining tools like SAS. Understand core analytic techniques that work with SQL and ExcelEnsure your analytic approach gets you the results you needDesign and perform your analysis using SQL and Excel Data Analysis Using SQL and Excel, 2nd Edition shows you how to best use the tools you already know to achieve expert results.Contraportada:
Learn to perform sophisticated data analysis using SQL and Excel
SQL is the essential language for querying databases, and Excel is the most popular tool for data presentation and analysis. Combined, they create a powerful, accessible tool for business data analysis. Many important types of analysis do not require complex and expensive data mining tools. The answers are on your desktop.
This no-nonsense guide, written by a leading expert on business data mining, shows you how to design and perform sophisticated data analysis using SQL and Excel. The highly regarded first edition has been revised to cover the newest enhancements to SQL and Excel, including new techniques and real-world examples. This edition features the up-to-date information business managers and data analysts need.
The book begins with the basics of SQL for data mining, Excel to present results, and simple ideas from statistics to understand your data. Core analytic techniques are explained as you learn to run them on real data using Excel and SQL. The chapters progress from basic queries to increasingly detailed applications as you learn why and when to perform specific types of analysis, how to design and perform them, and powerful ways of presenting the results. Each step explains the business context, the technical approach, and the implementation in these familiar tools.
As you progress, you'll discover the importance of geography, how to chart changes in data over time, how to use survival analysis to understand customer tenure and churn, and the factors that affect survival. You will explore methods for analyzing customer purchases patterns, market basket analysis, and association rules. Included are important data mining models in SQL, linear regression models, naive Bayesian models, information on building a customer signature, methods for analyzing results, including cumulative gains charts and ROC charts, best practices for using SQL, and getting the best performance for your queries.
With more than 100 pages of new material, the fully revised second edition of Data Analysis Using SQL and Excel enables you to:
The companion website includes datasets for all examples in the book as well as related Excel spreadsheets.
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