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Data Analytics & Visualization All-in-One For Dummies
Install data analytics into your brain with this comprehensive introduction Data Analytics & Visualization All-in-One For Dummies collects the essential information on mining, organizing, and communicating data, all in one place.Clocking in at around 850 pages, this tome of a reference delivers eight books in one, so you can build a solid foundation of knowledge in data wrangling.Data analytics professionals are highly sought after these days, and this book will put you on the path to becoming one.You’ll learn all about sources of data like data lakes, and you’ll discover how to extract data using tools like Microsoft Power BI, organize the data in Microsoft Excel, and visually present the data in a way that makes sense using a Tableau.You’ll even get an intro to the Python, R, and SQL coding needed to take your data skills to a new level.With this Dummies guide, you’ll be well on your way to becoming a priceless data jockey. Mine data from data sourcesOrganize and analyze data Use data to tell a story with TableauExpand your know-how with Python and R New and novice data analysts will love this All-in-One reference on how to make sense of data.Get ready to watch as your career in data takes off.
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Spatial Analysis with R : Statistics, Visualization, and Computational Methods
In the five years since the publication of the first edition of Spatial Analysis: Statistics, Visualization, and Computational Methods, many new developments have taken shape regarding the implementation of new tools and methods for spatial analysis with R.The use and growth of artificial intelligence, machine learning and deep learning algorithms with a spatial perspective, and the interdisciplinary use of spatial analysis are all covered in this second edition along with traditional statistical methods and algorithms to provide a concept-based problem-solving learning approach to mastering practical spatial analysis.Spatial Analysis with R: Statistics, Visualization, and Computational Methods, Second Edition provides a balance between concepts and practicums of spatial statistics with a comprehensive coverage of the most important approaches to understand spatial data, analyze spatial relationships and patterns, and predict spatial processes.New in the Second Edition: Includes new practical exercises and worked-out examples using R Presents a wide range of hands-on spatial analysis worktables and lab exercises All chapters are revised and include new illustrations of different concepts using data from environmental and social sciences Expanded material on spatiotemporal methods, visual analytics methods, data science, and computational methods Explains big data, data management, and data miningThis second edition of an established textbook, with new datasets, insights, excellent illustrations, and numerous examples with R, is perfect for senior undergraduate and first-year graduate students in geography and the geosciences.
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Spatial Epidemiological Approaches in Disease Mapping and Analysis
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What are rational floating-point numbers?
Rational floating-point numbers are numbers that can be expressed as a ratio of two integers, where the numerator and denominator are both integers. These numbers can be represented as fractions or decimals, and they can be accurately represented in a floating-point format. Rational floating-point numbers are a subset of all floating-point numbers, which also include irrational numbers and non-numeric values like infinity and NaN (not a number). In computer programming, rational floating-point numbers are often used to represent quantities that can be precisely expressed as fractions, such as monetary values or measurements.
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What is the nominated floating point representation?
The nominated floating point representation is a standardized way of representing real numbers in a computer system. It typically consists of a sign bit, an exponent, and a fraction, and is used to store and manipulate floating point numbers in a binary format. This representation allows for a wide range of values to be stored and manipulated with a consistent level of precision, making it suitable for a wide range of computational tasks. The most commonly used standard for floating point representation is the IEEE 754 standard, which defines formats for single precision (32-bit) and double precision (64-bit) floating point numbers.
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What is the difference between fixed-point and floating-point representation?
Fixed-point representation uses a fixed number of digits to represent both the integer and fractional parts of a number, while floating-point representation uses a variable number of digits to represent the same. Fixed-point representation is limited in terms of range and precision, while floating-point representation allows for a wider range and higher precision. Floating-point representation is more flexible and can handle a wider range of values compared to fixed-point representation.
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How precise are floating-point numbers in Java?
Floating-point numbers in Java are not always precise due to the way they are stored in memory. This can lead to rounding errors and inaccuracies when performing calculations with decimal numbers. It is important to be cautious when using floating-point numbers for critical calculations that require high precision. To achieve more precise calculations, Java provides the BigDecimal class which allows for arbitrary-precision arithmetic.
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Crime Mapping and Spatial Data Analysis using R
Crime mapping and analysis sit at the intersection of geocomputation, data visualisation and cartography, spatial statistics, environmental criminology, and crime analysis.This book brings together relevant knowledge from these fields into a practical, hands-on guide, providing a useful introduction and reference material for topics in crime mapping, the geography of crime, environmental criminology, and crime analysis.It can be used by students, practitioners, and academics alike, whether to develop a university course, to support further training and development, or to hone skills in self-teaching R and crime mapping and spatial data analysis.It is not an advanced statistics textbook, but rather an applied guide and later useful reference books, intended to be read and for readers to practice the learnings from each chapter in sequence.In the first part of this volume we introduce key concepts for geographic analysis and representation and provide the reader with the foundations needed to visualise spatial crime data.We then introduce a series of tools to study spatial homogeneity and dependence.A key focus in this section is how to visualise and detect local clusters of crime and repeat victimisation.The final chapters introduce the use of basic spatial models, which account for the distribution of crime across space.In terms of spatial data analysis the focus of the book is on spatial point pattern analysis and lattice or area data analysis.
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Point Counter Point
WITH AN INTRODUCTION BY DAVID BRADSHAWThe dilettantes who frequent Lady Tantamount's society parties are determined to push forward the moral frontiers of the age.Marjorie has left her family to live with Walter; Walter is in love with the luscious but cold-hearted Lucy; Maurice deflowers young girls for the sake of entertainment, while the withdrawn writer, Philip, finds himself drawn to the dangerous political charm of Everard.As they all engage in dazzling and witty conversation, the din of the age - its ideas and idiocies - grows deafening.
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What is the difference between fixed-point format and floating-point format?
Fixed-point format is a number representation system where the position of the decimal point is fixed, and the number of digits before and after the decimal point is predetermined. Floating-point format, on the other hand, allows the position of the decimal point to float, enabling a wider range of values to be represented with varying levels of precision. In fixed-point format, the precision is fixed, while in floating-point format, the precision can vary based on the magnitude of the number being represented. Floating-point format is commonly used in scientific and engineering applications where a wide range of values and precision is required.
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How do floating-point numbers differ from real numbers?
Floating-point numbers are a subset of real numbers that are used to represent approximate values in computing. Unlike real numbers, floating-point numbers have a fixed precision and range, which means they can only represent a finite number of values within a certain range. Real numbers, on the other hand, include all possible values on the number line, including irrational and transcendental numbers. Floating-point numbers are used in computer systems to perform calculations efficiently, but they can introduce rounding errors due to their limited precision.
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How should one solve the normalized floating-point representation?
To solve the normalized floating-point representation, one should first understand the format of the normalized floating-point representation, which typically consists of a sign bit, a mantissa, and an exponent. Then, one should convert the given decimal number into binary and determine the sign, mantissa, and exponent. After that, normalize the binary representation by shifting the decimal point and adjusting the exponent accordingly. Finally, convert the normalized binary representation into the desired floating-point format, taking into account the sign, mantissa, and exponent.
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What are underflow and overflow in floating point numbers?
Underflow occurs when a floating point number is too small to be represented within the range of the floating point format, leading to a loss of precision and potentially resulting in a value of zero. Overflow, on the other hand, occurs when a floating point number is too large to be represented within the range of the floating point format, leading to a loss of precision and potentially resulting in an infinite or "not a number" (NaN) value. Both underflow and overflow can lead to inaccuracies in calculations and should be carefully handled in numerical computations.
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