Категория: КНИГИ » ОС И БД
Access For Dummies
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Название: Access For Dummies
Автор: Laurie Ann Ulrich and Ken Cook
Издательство: For Dummies
Год: 2022
Формат: True PDF
Страниц: 435
Размер: 34,3 Mb
Язык: English

Become a database boss ―and have fun doing it―with this accessible and easy-to-follow guide to Microsoft Access
Databases hold the key to organizing and accessing all your data in one convenient place. And you don’t have to be a data science wizard to build, populate, and organize your own. With Microsoft Access For Dummies, you’ll learn to use the latest version of Microsoft’s Access software to power your database needs.


Категория: КНИГИ » ОС И БД
Excel Formulas & Functions For Dummies, 6th Edition
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Название: Excel Formulas & Functions For Dummies, 6th Edition
Автор: Ken Bluttman
Издательство: For Dummies
Год: 2022
Формат: True PDF
Страниц: 419
Размер: 13,5 Mb
Язык: English

Unlock the power of Excel with a step-by-step roadmap to its formulas and functions
There's a Swiss Army knife in your digital toolbox that can multiply your productivity and make you the smartest guy or gal in almost any room. It's called Microsoft Excel.
If you're like most people, you've barely scratched the surface of what this powerful tool's hundreds of built-in functions can do. But with a little help from Excel Formulas & Functions For Dummies, you'll soon be organizing, analyzing, and interpreting data like a pro.


Категория: КНИГИ » ОС И БД
Excel All-in-One For Dummies
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Название: Excel All-in-One For Dummies
Автор: Paul McFedries and Greg Harvey
Издательство: For Dummies
Год: 2022
Формат: True PDF
Страниц: 787
Размер: 18 Mb
Язык: English

Excel-erate your productivity with the only guide you'll need to the latest versions of Microsoft Excel
Microsoft Excel offers unsurpassed functionality and accessibility for data exploration and analysis to millions of users around the world. And learning to unlock its full potential is easier than you can imagine with help from Excel All-in-One For Dummies.


Категория: КНИГИ » ОС И БД
Сбор данных в Интернете на языке R
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Название: Сбор данных в Интернете на языке R
Автор: Храмов Д.А.
Издательство: ДМК
Год: 2017
Cтраниц: 280
Формат: pdf (ocr)
Размер: 47 мб
Язык: русский

Всё, что регистрирует человек и созданные им машины, может считаться данными. Фиксируя новое и переводя архивы в цифровую форму, мы с каждым днём производим всё больше данных. Но гораздо чаще случается так, что данные разбросаны по всемирной сети на многочисленных страницах онлайновых магазинов, заметках в социальных сетях, логах серверов и т. п. Прежде чем начать работать с такими данными, их необходимо собрать и сохранить в пригодном для анализа виде.


Категория: КНИГИ » ОС И БД
Data Analysis for Business, Economics, and Policy
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Data Analysis for Business, Economics, and PolicyНазвание: Data Analysis for Business, Economics, and Policy
Автор: Gabor Bekes, Gabor Kezdi
Издательство: Cambridge University Press
Год: 2021
Страниц: 742
Язык: английский
Формат: pdf (true)
Размер: 10.2 MB

This textbook provides future data analysts with the tools, methods, and skills needed to answer data-focused, real-life questions; to carry out data analysis; and to visualize and interpret results to support better decisions in business, economics, and public policy. Data wrangling and exploration, regression analysis, Machine Learning, and causal analysis are comprehensively covered, as well as when, why, and how the methods work, and how they relate to each other. As the most effective way to communicate data analysis, running case studies play a central role in this textbook. Each case starts with an industry-relevant question and answers it by using real-world data and applying the tools and methods covered in the textbook. Learning is then consolidated by 360 practice questions and 120 data exercises. Extensive online resources, including raw and cleaned data and codes for all analysis in Stata, R, and Python, can be found at site.


Категория: КНИГИ » ОС И БД
Expert Oracle Database Architecture: Techniques and Solutions for High Performance and Productivity, 4th Edition
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Название: Expert Oracle Database Architecture: Techniques and Solutions for High Performance and Productivity, 4th Edition
Автор: Darl Kuhn, Thomas Kyte
Издательство: Apress
Год: 2022
Страниц: 1169
Язык: английский
Формат: pdf (true), epub
Размер: 12.9 MB

Now in its fourth edition and covering Oracle Database 21c, this best-selling book continues to bring you some of the best thinking on how to apply Oracle Database to produce scalable applications that perform well and deliver correct results. Tom Kyte and Darl Kuhn share a simple philosophy: "you can treat Oracle as a black box and just stick data into it, or you can understand how it works and exploit it as a powerful computing environment." If you choose the latter, then you’ll find that there are few information management problems that you cannot solve quickly and elegantly.


Категория: КНИГИ » ОС И БД
High Performance MySQL: Proven Strategies for Operating at Scale, 4th Edition (Third Early Release)
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Название: High Performance MySQL: Proven Strategies for Operating at Scale, 4th Edition (Third Early Release)
Автор: Silvia Botros, Jeremy Tinley
Издательство: O’Reilly Media, Inc.
Год: 2021-11-12
Страниц: 396
Язык: английский
Формат: epub
Размер: 10.1 MB

How can you realize MySQL's full power? With High Performance MySQL, you'll learn advanced techniques for everything from setting service-level objectives to designing schemas, indexes, and queries to tuning your server, operating system, and hardware to achieve your platform's full potential. This guide also teaches database administrators safe and practical ways to scale applications through replication, load balancing, high availability, and failover. Updated to reflect recent advances in cloud- and self-hosted MySQL, InnoDB performance, and new features and tools, this revised edition helps you design a relational data platform that will scale with your business. You'll learn best practices for database security along with hard earned lessons in both performance and database stability.


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Mobile Data Visualization
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Mobile Data VisualizationНазвание: Mobile Data Visualization
Автор: Bongshin Lee, Raimund Dachselt, Petra Isenberg
Издательство: CRC Press
Серия: AK Peters Visualization Series
Год: 2022
Страниц: 346
Язык: английский
Формат: pdf (true)
Размер: 151.5 MB

Mobile Data Visualization is about facilitating access to and understanding of data on mobile devices. Wearable trackers, mobile phones, and tablets are used by millions of people each day to read weather maps, financial charts, or personal health meters. What is required to create e­ffective visualizations for mobile devices? This book introduces key concepts of mobile data visualization and discusses opportunities and challenges from both research and practical perspectives. Today, we live in a data-driven world, where Big Data are generated and captured by computing devices and sensors on and around us. Not only experts but also lay individuals have access to large amounts of data.


Категория: КНИГИ » ОС И БД
Mining Complex Networks
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Название: Mining Complex Networks
Автор: Bogumił Kaminski, Paweł Prałat
Издательство: CRC Press
Год: 2022
Страниц: 278
Язык: английский
Формат: pdf (true)
Размер: 10.2 MB

This book concentrates on mining networks, a subfield within data science. Data science uses scientific and computational tools to extract valuable knowledge from large data sets. Once data is processed and cleaned, it is analyzed and presented to support decision-making processes. Data science and machine learning tools have become widely used in companies of all sizes. Networks are often large-scale, decentralized, and evolve dynamically over time. Mining complex networks aim to understand the principles governing the organization and the behavior of such networks is crucial for a broad range of fields of study. Here are a few selected typical applications of mining networks: Jupiter notebooks (in Python and Julia) accompany the book and can be accessed on site.


Категория: КНИГИ » ОС И БД
Multilevel and Longitudinal Modeling Using Stata, Fourth Edition, Volumes I and II
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Multilevel and Longitudinal Modeling Using Stata, Fourth Edition, Volumes I and IIНазвание: Multilevel and Longitudinal Modeling Using Stata, Fourth Edition, Volumes I and II
Автор: Sophia Rabe-Hesketh, Anders Skrondal
Издательство: Stata Press
Год: 2022
Страниц: 1047
Язык: английский
Формат: epub
Размер: 30.2 MB

This book is a complete resource for learning to model data in which observations are grouped-whether nested data such as children nested in schools or repeated observations on the same individuals. Rabe-Hesketh and Skrondal introduce a variety of multilevel models for continuous, binary, count, and other outcomes. They also explain when each model is useful, how to fit and evaluate the model using Stata, and how to interpret the results. With this comprehensive coverage, researchers who need to apply multilevel models will find this book to be the perfect companion. It is also an excellent text for courses in multilevel modeling because it provides examples from a variety of disciplines as well as end-of-chapter exercises that allow students to practice newly learned material.


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