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Books > Reference & Interdisciplinary > Communication studies > Data analysis

Measuring Data Quality for Ongoing Improvement - A Data Quality Assessment Framework (Paperback): Laura Sebastian-Coleman Measuring Data Quality for Ongoing Improvement - A Data Quality Assessment Framework (Paperback)
Laura Sebastian-Coleman
R1,130 R1,046 Discovery Miles 10 460 Save R84 (7%) Ships in 10 - 15 working days

"

The Data Quality Assessment Framework "shows you how to measure and monitor data quality, ensuring quality over time. You ll start with general concepts of measurement and work your way through a detailed framework of more than three dozen measurement types related to five objective dimensions of quality: completeness, timeliness, consistency, validity, and integrity. Ongoing measurement, rather than one time activities will help your organization reach a new level of data quality. This plain-language approach to measuring data can be understood by both business and IT and provides practical guidance on how to apply the DQAF within any organization enabling you to prioritize measurements and effectively report on results. Strategies for using data measurement to govern and improve the quality of data and guidelines for applying the framework within a data asset are included. You ll come away able to prioritize which measurement types to implement, knowing where to place them in a data flow and how frequently to measure. Common conceptual models for defining and storing of data quality results for purposes of trend analysis are also included as well as generic business requirements for ongoing measuring and monitoring including calculations and comparisons that make the measurements meaningful and help understand trends and detect anomalies.


Demonstrates how to leverage a technology independent data quality measurement framework for your specific business priorities and data quality challenges
Enables discussions between business and IT with a non-technical vocabulary for data quality measurement
Describes how to measure data quality on an ongoing basis with generic measurement types that can be applied to any situation "

A Practitioner's  Guide to Resampling for Data Analysis, Data Mining, and Modeling (Hardcover, New): Phillip Good A Practitioner's Guide to Resampling for Data Analysis, Data Mining, and Modeling (Hardcover, New)
Phillip Good
R2,070 Discovery Miles 20 700 Ships in 10 - 15 working days

Distribution-free resampling methods permutation tests, decision trees, and the bootstrap are used today in virtually every research area. A Practitioner s Guide to Resampling for Data Analysis, Data Mining, and Modeling explains how to use the bootstrap to estimate the precision of sample-based estimates and to determine sample size, data permutations to test hypotheses, and the readily-interpreted decision tree to replace arcane regression methods.

Highlights

  • Each chapter contains dozens of thought provoking questions, along with applicable R and Stata code
  • Methods are illustrated with examples from agriculture, audits, bird migration, clinical trials, epidemiology, image processing, immunology, medicine, microarrays and gene selection
  • Lists of commercially available software for the bootstrap, decision trees, and permutation tests are incorporated in the text
  • Access to APL, MATLAB, and SC code for many of the routines is provided on the author s website
  • The text covers estimation, two-sample and k-sample univariate, and multivariate comparisons of means and variances, sample size determination, categorical data, multiple hypotheses, and model building

Statistics practitioners will find the methods described in the text easy to learn and to apply in a broad range of subject areas from A for Accounting, Agriculture, Anthropology, Aquatic science, Archaeology, Astronomy, and Atmospheric science to V for Virology and Vocational Guidance, and Z for Zoology.

Practitioners and research workers and in the biomedical, engineering and social sciences, as well as advanced students in biology, business, dentistry, medicine, psychology, public health, sociology, and statistics will find an easily-grasped guide to estimation, testing hypotheses and model building.

Public Policy Analytics - Code and Context for Data Science in Government (Hardcover): Ken Steif Public Policy Analytics - Code and Context for Data Science in Government (Hardcover)
Ken Steif
R3,802 Discovery Miles 38 020 Ships in 10 - 15 working days

Public Policy Analytics: Code & Context for Data Science in Government teaches readers how to address complex public policy problems with data and analytics using reproducible methods in R. Each of the eight chapters provides a detailed case study, showing readers: how to develop exploratory indicators; understand 'spatial process' and develop spatial analytics; how to develop 'useful' predictive analytics; how to convey these outputs to non-technical decision-makers through the medium of data visualization; and why, ultimately, data science and 'Planning' are one and the same. A graduate-level introduction to data science, this book will appeal to researchers and data scientists at the intersection of data analytics and public policy, as well as readers who wish to understand how algorithms will affect the future of government.

Advanced Data Analytics in Health (Hardcover, 1st ed. 2018): Philippe J. Giabbanelli, Vijay K Mago, Elpiniki I. Papageorgiou Advanced Data Analytics in Health (Hardcover, 1st ed. 2018)
Philippe J. Giabbanelli, Vijay K Mago, Elpiniki I. Papageorgiou
R4,249 Discovery Miles 42 490 Ships in 18 - 22 working days

This book introduces readers to the methods, types of data, and scale of analysis used in the context of health. The challenges of working with big data are explored throughout the book, while the benefits are also emphasized through the discoveries made possible by linking large datasets. Methods include thorough case studies from statistics, as well as the newest facets of data analytics: data visualization, modeling and simulation, and machine learning. The diversity of datasets is illustrated through chapters on networked data, image processing, and text, in addition to typical structured numerical datasets. While the methods, types of data, and scale have been individually covered elsewhere, by bringing them all together under one "umbrella" the book highlights synergies, while also helping scholars fluidly switch between tools as needed. New challenges and emerging frontiers are also discussed, helping scholars grasp how methods will need to change in response to the latest challenges in health.

Time Series for Data Science - Analysis and Forecasting (Hardcover): Wayne A. Woodward, Bivin Philip Sadler, Stephen Robertson Time Series for Data Science - Analysis and Forecasting (Hardcover)
Wayne A. Woodward, Bivin Philip Sadler, Stephen Robertson
R3,630 Discovery Miles 36 300 Ships in 9 - 17 working days

Provides a thorough coverage and comparison of a wide array of time series models and methods: Exponential Smoothing, Holt Winters, ARMA and ARIMA, deep learning models including RNNs, LSTMs, GRUs, and ensemble models composed of combinations of these models. Introduces the factor table representation of ARMA and ARIMA models. This representation is not available in any other book at this level and is extremely useful in both practice and pedagogy. Uses real world examples that can be readily found via web links from sources such as the US Bureau of Statistics, Department of Transportation and the World Bank. There is an accompanying R package that is easy to use and requires little or no previous R experience. The package implements the wide variety of models and methods presented in the book and has tremendous pedagogical use.

A Human Error Approach to Aviation Accident Analysis - The Human Factors Analysis and Classification System (Hardcover, New... A Human Error Approach to Aviation Accident Analysis - The Human Factors Analysis and Classification System (Hardcover, New Ed)
Douglas A. Wiegmann, Scott A. Shappell
R5,055 Discovery Miles 50 550 Ships in 10 - 15 working days

Human error is implicated in nearly all aviation accidents, yet most investigation and prevention programs are not designed around any theoretical framework of human error. Appropriate for all levels of expertise, the book provides the knowledge and tools required to conduct a human error analysis of accidents, regardless of operational setting (i.e. military, commercial, or general aviation). The book contains a complete description of the Human Factors Analysis and Classification System (HFACS), which incorporates James Reason's model of latent and active failures as a foundation. Widely disseminated among military and civilian organizations, HFACS encompasses all aspects of human error, including the conditions of operators and elements of supervisory and organizational failure. It attracts a very broad readership. Specifically, the book serves as the main textbook for a course in aviation accident investigation taught by one of the authors at the University of Illinois. This book will also be used in courses designed for military safety officers and flight surgeons in the U.S. Navy, Army and the Canadian Defense Force, who currently utilize the HFACS system during aviation accident investigations. Additionally, the book has been incorporated into the popular workshop on accident analysis and prevention provided by the authors at several professional conferences world-wide. The book is also targeted for students attending Embry-Riddle Aeronautical University which has satellite campuses throughout the world and offers a course in human factors accident investigation for many of its majors. In addition, the book will be incorporated into courses offered by Transportation Safety International and the Southern California Safety Institute. Finally, this book serves as an excellent reference guide for many safety professionals and investigators already in the field.

Introduction to Environmental Data Science (Hardcover): William W. Hsieh Introduction to Environmental Data Science (Hardcover)
William W. Hsieh
R1,845 Discovery Miles 18 450 Ships in 9 - 17 working days

Statistical and machine learning methods have many applications in the environmental sciences, including prediction and data analysis in meteorology, hydrology and oceanography, pattern recognition for satellite images from remote sensing, management of agriculture and forests, assessment of climate change, and much more. With rapid advances in machine learning in the last decade, this book provides an urgently needed, comprehensive guide to machine learning and statistics for students and researchers interested in environmental data science. It includes intuitive explanations covering the relevant background mathematics, with examples drawn from the environmental sciences. A broad range of topics are covered, including correlation, regression, classification, clustering, neural networks, random forests, boosting, kernel methods, evolutionary algorithms, and deep learning, as well as the recent merging of machine learning and physics. End-of-chapter exercises allow readers to develop their problem-solving skills and online data sets allow readers to practise analysis of real data.

Fitting Statistical Distributions - The Generalized Lambda Distribution and Generalized Bootstrap Methods (Hardcover): Zaven A.... Fitting Statistical Distributions - The Generalized Lambda Distribution and Generalized Bootstrap Methods (Hardcover)
Zaven A. Karian, Edward J. Dudewicz
R5,516 Discovery Miles 55 160 Ships in 10 - 15 working days

Throughout the physical and social sciences, researchers face the challenge of fitting statistical distributions to their data. Although the study of statistical modelling has made great strides in recent years, the number and variety of distributions to choose from-all with their own formulas, tables, diagrams, and general properties-continue to create problems. For a specific application, which of the dozens of distributions should one use? What if none of them fit well?

Fitting Statistical Distributions helps answer those questions. Focusing on techniques used successfully across many fields, the authors present all of the relevant results related to the Generalized Lambda Distribution (GLD), the Generalized Bootstrap (GB), and Monte Carlo simulation (MC). They provide the tables, algorithms, and computer programs needed for fitting continuous probability distributions to data in a wide variety of circumstances-covering bivariate as well as univariate distributions, and including situations where moments do not exist.

Regardless of your specific field-physical science, social science, or statistics, practitioner or theorist-Fitting Statistical Distributions is required reading. It includes wide-ranging applications illustrating the methods in practice and offers proofs of key results for those involved in theoretical development. Without it, you may be using obsolete methods, wasting time, and risking incorrect results.

A Course in Categorical Data Analysis (Paperback): Thomas Leonard A Course in Categorical Data Analysis (Paperback)
Thomas Leonard
R2,568 R1,435 Discovery Miles 14 350 Save R1,133 (44%) Ships in 10 - 15 working days

Categorical data-comprising counts of individuals, objects, or entities in different categories-emerge frequently from many areas of study, including medicine, sociology, geology, and education. They provide important statistical information that can lead to real-life conclusions and the discovery of fresh knowledge. Therefore, the ability to manipulate, understand, and interpret categorical data becomes of interest-if not essential-to professionals and students in a broad range of disciplines.

Although t-tests, linear regression, and analysis of variance are useful, valid methods for analysis of measurement data, categorical data requires a different methodology and techniques typically not encountered in introductory statistics courses. Developed from long experience in teaching categorical analysis to a multidisciplinary mix of undergraduate and graduate students, A Course in Categorical Data Analysis presents the easiest, most straightforward ways of extracting real-life conclusions from contingency tables. The author uses a Fisherian approach to categorical data analysis and incorporates numerous examples and real data sets. Although he offers S-PLUS routines through the Internet, readers do not need full knowledge of a statistical software package.

In this unique text, the author chooses methods and an approach that nurtures intuitive thinking. He trains his readers to focus not on finding a model that fits the data, but on using different models that may lead to meaningful conclusions. The book offers some simple, innovative techniques not highighted in other texts that help make the book accessible to a broad, interdisciplinary audience. A Course in Categorical Data Analysis enables readers to quickly use its offering of tools for drawing scientific, medical, or real-life conclusions from categorical data sets.

Preventing Workplace Incidents in Construction - Data Mining and Analytics Applications (Hardcover): Imriyas Kamardeen Preventing Workplace Incidents in Construction - Data Mining and Analytics Applications (Hardcover)
Imriyas Kamardeen
R4,907 Discovery Miles 49 070 Ships in 10 - 15 working days

The construction industry is vital to any national economy; it is also one of the industries most susceptible to workplace incidents. The unacceptably high rates of incidents in construction have huge socio-economic consequences for the victims, their families and friends, co-workers, employers and society at large. Construction safety researchers have introduced numerous strategies, models and tools through scientific inquiries involving primary data collection and analyses. While these efforts are commendable, there is a huge potential to create new knowledge and predictive models to improve construction safety by utilising already existing data about workplace incidents. In this new book, Imriyas Kamardeen argues that more sophisticated approaches need to be deployed to enable improved analyses of incident data sets and the extraction of more valuable insights, patterns and knowledge to prevent work injuries and illnesses. The book aims to apply data mining and analytic techniques to past workplace incident data to discover patterns that facilitate the development of innovative models and strategies, thereby improving work health, safety and well-being in construction, and curtailing the high rate of incidents. It is essential reading for researchers and professionals in construction, health and safety and anyone interested in data analytics.

Confident Data Science - Discover the Essential Skills of Data Science (Paperback): Adam Ross Nelson Confident Data Science - Discover the Essential Skills of Data Science (Paperback)
Adam Ross Nelson
R496 R397 Discovery Miles 3 970 Save R99 (20%) Ships in 9 - 17 working days

The global data market is estimated to be worth $64 billion dollars, making it a more valuable resource than oil. But data is useless without the analysis, interpretation and innovations of data scientists. With Confident Data Science, learn the essential skills and build your confidence in this sector through key insights and practical tools for success. In this book, you will discover all of the skills you need to understand this discipline, from primers on the key analytic and visualization tools to tips for pitching to and working with clients. Adam Ross Nelson draws upon his expertise as a data science consultant and, as someone who made moved into the industry late in his career, to provide an overview of data science, including its key concepts, its history and the knowledge required to become a successful data scientist. Whether you are considering a career in this industry or simply looking to expand your knowledge, Confident Data Science is the essential guide to the world of data science. About the Confident series... From coding and data science to cloud and cyber security, the Confident books are perfect for building your technical knowledge and enhancing your professional career.

A First Course in Random Matrix Theory - for Physicists, Engineers and Data Scientists (Hardcover): Marc Potters, Jean-Philippe... A First Course in Random Matrix Theory - for Physicists, Engineers and Data Scientists (Hardcover)
Marc Potters, Jean-Philippe Bouchaud
R1,894 R1,761 Discovery Miles 17 610 Save R133 (7%) Ships in 10 - 15 working days

The real world is perceived and broken down as data, models and algorithms in the eyes of physicists and engineers. Data is noisy by nature and classical statistical tools have so far been successful in dealing with relatively smaller levels of randomness. The recent emergence of Big Data and the required computing power to analyse them have rendered classical tools outdated and insufficient. Tools such as random matrix theory and the study of large sample covariance matrices can efficiently process these big data sets and help make sense of modern, deep learning algorithms. Presenting an introductory calculus course for random matrices, the book focusses on modern concepts in matrix theory, generalising the standard concept of probabilistic independence to non-commuting random variables. Concretely worked out examples and applications to financial engineering and portfolio construction make this unique book an essential tool for physicists, engineers, data analysts, and economists.

Recent Advances in Reliability Theory - Methodology, Practice and Inference (Hardcover): M.S. Nikulin, Nikolaos Limnios Recent Advances in Reliability Theory - Methodology, Practice and Inference (Hardcover)
M.S. Nikulin, Nikolaos Limnios
R2,483 Discovery Miles 24 830 Ships in 10 - 15 working days

1 Reliability: Past, Present, Future.- 2 Reliability Analysis as a Tool for Expressing and Communicating Uncertainty.- 3 Modeling a Process of Non-Ideal Repair.- 4 Some Models and Mathematical Results for Reliability of Systems of Components.- 5 Algorithms of Stochastic Activity and Problems of Reliability.- 6 Some Shifted Stochastic Orders.- 7 Characterization of Distributions in Reliability.- 8 Asymptotic Analysis of Reliability for Switching Systems in Light and Heavy Traffic Conditions.- 9 Nonlinearly Perturbed Markov Chains and Large Deviations for Lifetime Functionals.- 10 Evolutionary Systems in an Asymptotic Split Phase Space.- 11 An Asymptotic Approach to Multistate Systems Reliability Evaluation.- 12 Computer Intensive Methods Based on Resampling in Analysis of Reliability and Survival Data.- 13 Statistical Analysis of Damage Processes.- 14 Data Analysis Based on Warranty Database.- 15 Failure Models Indexed by Time and Usage.- 16 A New Multiple Proof Loads Approach For Estimating Correlations.- 17 Conditional and Partial Correlation For Graphical Uncertainty Models.- 18 Semiparametric Methods of Time Scale Selection.- 19 Censored and Truncated Lifetime Data.- 20 Tests for a Family of Survival Models Based on Extremes.- 21 Software Reliability Models - Past, Present and Future.- 22 Dynamic Analysis of Failures in Repairable Systems and Software.- 23 Precedence Test and Maximal Precedence Test.- 24 Hierarchical Bayesian Inference in Related Reliability Experiments.- 25 Tests for Equality of Intensities of Failures of a Repairable System Under Two Competing Risks.- 26 Semiparametric Estimation in Accelerated Life Testing.- 27 A Theoretical Framework for Accelerated Testing.- 28 Unbiased Estimation in Reliability and Similar Problems.- 29 Prediction Under Association.- 30 Uniform Limit Laws for Kernel Density Estimators on Possibly Unbounded Intervals.- 31 A Weak Convergence Result Relevant in Recurrent and Renewal Models.

Beautiful News - Positive Trends, Uplifting Stats, Creative Solutions (Hardcover): David McCandless Beautiful News - Positive Trends, Uplifting Stats, Creative Solutions (Hardcover)
David McCandless
R680 R614 Discovery Miles 6 140 Save R66 (10%) Ships in 10 - 15 working days

In this fascinating follow-up to the bestselling Information is Beautiful and Knowledge is Beautiful, the king of infographics David McCandless uses spectacular visuals to give us all a bit of good news. We are living in the Information Age, in which we are constantly bombarded with data - on television, in print and online. How can we relate to this mind-numbing overload? Enter David McCandless and his amazing infographics: simple, elegant ways to understand information too complex or abstract to grasp any way but visually. In his unique signature style, he creates dazzling displays that blend facts with their connections, contexts and relationships, making information meaningful, entertaining - and beautiful. In his highly anticipated third book, McCandless illustrates positive news from around the world, for an informative, engaging and uplifting collection of new infographic art.

SPSS Survival Manual: A Step by Step Guide to Data Analysis using IBM SPSS (Paperback, 7th edition): Julie Pallant SPSS Survival Manual: A Step by Step Guide to Data Analysis using IBM SPSS (Paperback, 7th edition)
Julie Pallant
R1,267 R926 Discovery Miles 9 260 Save R341 (27%) Ships in 10 - 15 working days

The SPSS Survival Manual throws a lifeline to students and researchers grappling with this powerful data analysis software. In her bestselling guide, Julie Pallant takes you through the entire research process, helping you choose the right data analysis technique for your project. This edition has been updated to include up to SPSS version 26. From the formulation of research questions, to the design of the study and analysis of data, to reporting the results, Julie discusses basic and advanced statistical techniques. She outlines each technique clearly, with step-by-step procedures for performing the analysis, a detailed guide to interpreting data output and an example of how to present the results in a report. For both beginners and experienced users in Psychology, Sociology, Health Sciences, Medicine, Education, Business and related disciplines, the SPSS Survival Manual is an essential text. It is illustrated throughout with screen grabs, examples of output and tips, and is also further supported by a website with sample data and guidelines on report writing. This seventh edition is fully revised and updated to accommodate changes to IBM SPSS procedures.

Big Data on Campus - Data Analytics and Decision Making in Higher Education (Hardcover): Karen L. Webber, Henry Y. Zheng Big Data on Campus - Data Analytics and Decision Making in Higher Education (Hardcover)
Karen L. Webber, Henry Y. Zheng
R1,317 Discovery Miles 13 170 Ships in 10 - 15 working days

How data-informed decision making can make colleges and universities more effective institutions. The continuing importance of data analytics is not lost on higher education leaders, who face a multitude of challenges, including increasing operating costs, dwindling state support, limits to tuition increases, and increased competition from the for-profit sector. To navigate these challenges, savvy leaders must leverage data to make sound decisions. In Big Data on Campus, leading data analytics experts and higher ed leaders show the role that analytics can play in the better administration of colleges and universities. Aimed at senior administrative leaders, practitioners of institutional research, technology professionals, and graduate students in higher education, the book opens with a conceptual discussion of the roles that data analytics can play in higher education administration. Subsequent chapters address recent developments in technology, the rapid accumulation of data assets, organizational maturity in building analytical capabilities, and methodological advancements in developing predictive and prescriptive analytics. Each chapter includes a literature review of the research and application of analytics developments in their respective functional areas, a discussion of industry trends, examples of the application of data analytics in their decision process, and other related issues that readers may wish to consider in their own organizational environment to find opportunities for building robust data analytics capabilities. Using a series of focused discussions and case studies, Big Data on Campus helps readers understand how analytics can support major organizational functions in higher education, including admission decisions, retention and enrollment management, student life and engagement, academic and career advising, student learning and assessment, and academic program planning. The final section of the book addresses major issues and human factors involved in using analytics to support decision making; the ethical, cultural, and managerial implications of its use; the role of university leaders in promoting analytics in decision making; and the need for a strong campus community to embrace the analytics revolution. Contributors: Rana Glasgal, J. Michael Gower, Tom Gutman, Brian P. Hinote, Braden J. Hosch, Aditya Johri, Christine M. Keller, Carrie Klein, Jaime Lester, Carrie Hancock Marcinkevage, Gail B. Marsh, Susan M. Menditto, Jillian N. Morn, Valentina Nestor, Cathy O'Bryan, Huzefa Rangwala, Timothy Renick, Charles Tegen, Rachit Thariani, Chris Tompkins, Lindsay K. Wayt, Karen L. Webber, Henry Y. Zheng, Ying Zhou

Data Power - Radical Geographies of Control and Resistance (Hardcover): Jim E. Thatcher, Craig M. Dalton Data Power - Radical Geographies of Control and Resistance (Hardcover)
Jim E. Thatcher, Craig M. Dalton
R2,463 Discovery Miles 24 630 Ships in 18 - 22 working days

In recent years, popular media have inundated audiences with sensationalised headlines recounting data breaches, new forms of surveillance and other dangers of our digital age. Despite their regularity, such accounts treat each case as unprecedented and unique. This book proposes a radical rethinking of the history, present and future of our relations with the digital, spatial technologies that increasingly mediate our everyday lives. From smartphones to surveillance cameras, to navigational satellites, these new technologies offer visions of integrated, smooth and efficient societies, even as they directly conflict with the ways users experience them. Recognising the potential for both control and liberation, the authors argue against both acquiescence to and rejection of these technologies. Through intentional use of the very systems that monitor them, activists from Charlottesville to Hong Kong are subverting, resisting and repurposing geographic technologies. Using examples as varied as writings on the first telephones to the experiences of a feminist collective for migrant women in Spain, the authors present a revolution of everyday technologies. In the face of the seemingly inevitable dominance of corporate interests, these technologies allow us to create new spaces of affinity, and a new politics of change.

Just Plain Data Analysis - Finding, Presenting, and Interpreting Social Science Data (Hardcover, 2nd Edition): Gary M. Klass Just Plain Data Analysis - Finding, Presenting, and Interpreting Social Science Data (Hardcover, 2nd Edition)
Gary M. Klass
R3,559 Discovery Miles 35 590 Ships in 18 - 22 working days

Just Plain Data Analysis teaches students statistical literacy skills that they can use to evaluate and construct arguments about public affairs issues grounded in numerical evidence. The book addresses skills that are often not taught in introductory social science research methods courses and that are often covered sketchily in the research methods textbooks: where to find commonly used measures of political and social conditions; how to assess the reliability and validity of specific indicators; how to present data efficiently in charts and tables; how to avoid common misinterpretations and misrepresentations of data; and how to evaluate causal arguments based on numerical data. With a new chapter on statistical fallacies and updates throughout the text, the new edition teaches students how to find, interpret, and present commonly used social indicators in an even clearer and more practical way.

Accelerated Digital Transformation - How Established Organizations Can Gain Competitive Advantage in the Digital Age... Accelerated Digital Transformation - How Established Organizations Can Gain Competitive Advantage in the Digital Age (Paperback)
Neetan Chopra
R901 Discovery Miles 9 010 Ships in 18 - 22 working days

Achieve successful digital transformation with this authoritative guide designed specifically for established organizations. At a time where even the most recognized business models are under threat, organizations risk devastation if they do not transition successfully to the new digital reality. Yet what works for digital natives does not always work for established organizations. Recognized as one of the world's top global executives leading innovative transformation, Neetan Chopra's deep experience of steering organizations through digital disruption drives the practical approach of Accelerated Digital Transformation. Having designed transformation journeys, overcome setbacks and driven outcomes within multiple leading companies, Neetan Chopra tackles key factors for established organizations including inertia, impetus, outcomes, digital capabilities and culture. The book is underpinned by a tried and tested framework that will guide readers step by step through the entire digital transformation journey. This will be an essential resource for leaders, managers and practitioners leading and executing digital transformation.

Statistics for Ecologists Using R and Excel - Data Collection, Exploration, Analysis and Presentation (Paperback, 2nd edition):... Statistics for Ecologists Using R and Excel - Data Collection, Exploration, Analysis and Presentation (Paperback, 2nd edition)
Mark Gardener
R1,052 Discovery Miles 10 520 Ships in 10 - 15 working days

This is a book about the scientific process and how you apply it to data in ecology. You will learn how to plan for data collection, how to assemble data, how to analyze data and finally how to present the results. The book uses Microsoft Excel and the powerful Open Source R program to carry out data handling as well as producing graphs. Statistical approaches covered include: data exploration; tests for difference - t-test and U-test; correlation - Spearman's rank test and Pearson product-moment; association including Chi-squared tests and goodness of fit; multivariate testing using analysis of variance (ANOVA) and Kruskal-Wallis test; and multiple regression. Key skills taught in this book include: how to plan ecological projects; how to record and assemble your data; how to use R and Excel for data analysis and graphs; how to carry out a wide range of statistical analyses including analysis of variance and regression; how to create professional looking graphs; and how to present your results. New in this edition: a completely revised chapter on graphics including graph types and their uses, Excel Chart Tools, R graphics commands and producing different chart types in Excel and in R; an expanded range of support material online, including; example data, exercises and additional notes & explanations; a new chapter on basic community statistics, biodiversity and similarity; chapter summaries and end-of-chapter exercises. Praise for the first edition: This book is a superb way in for all those looking at how to design investigations and collect data to support their findings. - Sue Townsend, Biodiversity Learning Manager, Field Studies Council [M]akes it easy for the reader to synthesise R and Excel and there is extra help and sample data available on the free companion webpage if needed. I recommended this text to the university library as well as to colleagues at my student workshops on R. Although I initially bought this book when I wanted to discover R I actually also learned new techniques for data manipulation and management in Excel - Mark Edwards, EcoBlogging A must for anyone getting to grips with data analysis using R and excel. - Amazon 5-star review It has been very easy to follow and will be perfect for anyone. - Amazon 5-star review A solid introduction to working with Excel and R. The writing is clear and informative, the book provides plenty of examples and figures so that each string of code in R or step in Excel is understood by the reader. - Goodreads, 4-star review

Social Media as Social Science Data (Hardcover): Steven Lloyd Wilson Social Media as Social Science Data (Hardcover)
Steven Lloyd Wilson
R2,466 R2,113 Discovery Miles 21 130 Save R353 (14%) Ships in 10 - 15 working days

Social media has put mass communication in the hands of normal people on an unprecedented scale, and has also given social scientists the tools necessary to listen to the voices of everyday people around the world. This book gives social scientists the skills necessary to leverage that opportunity, and transform social media's vast stream of information into social science data. The book combines the big data techniques of computer science with social science methodology. Intended as a text for advanced undergraduates, graduate students, and researchers in the social sciences, this book provides a methodological pathway for scholars who want to make use of this new and evolving source of data. It provides a framework for building one's own data collection and analysis infrastructure, a toolkit of content analysis, geographic analysis, and network analysis, and meditations on the ethical implications of social media data.

Everybody Lies: What the Internet Can Tell Us About Who We Really Are (Paperback): Seth Stephens-Davidowitz Everybody Lies: What the Internet Can Tell Us About Who We Really Are (Paperback)
Seth Stephens-Davidowitz 1
R374 R340 Discovery Miles 3 400 Save R34 (9%) Ships in 9 - 17 working days

THE NEW YORK TIMES BESTSELLER

AN ECONOMIST BOOK OF THE YEAR 2017

Insightful, surprising and with ground-breaking revelations about our society, Everybody Lies exposes the secrets embedded in our internet searches, with a foreword by bestselling author Steven Pinker

Everybody lies, to friends, lovers, doctors, pollsters - and to themselves. In Internet searches, however, people confess their secrets - about sexless marriages, mental health problems, even racist views. Seth Stephens-Davidowitz, an economist and former Google data scientist, shows that this could just be the most important dataset ever collected.

This huge database of secrets - unprecedented in human history - offers astonishing, even revolutionary, insights into humankind. Anxiety, for instance, does not increase after a terrorist attack. Crime levels drop when a violent film is released. And racist searches are no higher in Republican areas than in Democrat ones.

Stephens-Davidowitz reveals information we can use to change our culture, and the questions we're afraid to ask that might be essential to our health - both emotional and physical. Insightful, funny, and always surprising, Everybody Lies exposes the biases and secrets embedded deeply within us, at a time when things are harder to predict than ever.

Data Analysis Techniques for Physical Scientists (Paperback, New edition): Claude A. Pruneau Data Analysis Techniques for Physical Scientists (Paperback, New edition)
Claude A. Pruneau
R1,113 Discovery Miles 11 130 Ships in 10 - 15 working days

A comprehensive guide to data analysis techniques for physical scientists, providing a valuable resource for advanced undergraduate and graduate students, as well as seasoned researchers. The book begins with an extensive discussion of the foundational concepts and methods of probability and statistics under both the frequentist and Bayesian interpretations of probability. It next presents basic concepts and techniques used for measurements of particle production cross-sections, correlation functions, and particle identification. Much attention is devoted to notions of statistical and systematic errors, beginning with intuitive discussions and progressively introducing the more formal concepts of confidence intervals, credible range, and hypothesis testing. The book also includes an in-depth discussion of the methods used to unfold or correct data for instrumental effects associated with measurement and process noise as well as particle and event losses, before ending with a presentation of elementary Monte Carlo techniques.

Designing and Using Organizational Surveys (Hardcover, New Ed): Allan H. Church, Janine Waclawski Designing and Using Organizational Surveys (Hardcover, New Ed)
Allan H. Church, Janine Waclawski
R4,070 Discovery Miles 40 700 Ships in 10 - 15 working days

Organizational surveys are widely recognized as a powerful tool for measuring and improving employee commitment. If poorly designed and administered, however, they can create disappointment and cynicism. There are many excellent books on sampling methodology and statistical analysis, but little has been written so far for those responsible for designing and implementing surveys in organizations. Now Allan H Church and Janine Waclawski have drawn on their extensive experience in this field to develop a seven-step model covering the entire process, from initiation to final evaluation. They explain in detail how to devise and administer different types of organizational surveys, leading the reader systematically through the various stages involved. Their text is supported throughout by examples, specimen documentation, work sheets and case studies from a variety of organizational settings. They pay particular attention to the political and human sensitivities concerned and show how to surmount the many potential barriers to a successful outcome. Designing and Using Organizational Surveys is a highly practical guide to one of the most effective methods available for organizational diagnosis and change.

Designing and Evaluating Language Corpora - A Practical Framework for Corpus Representativeness (Hardcover, New Ed): Jesse... Designing and Evaluating Language Corpora - A Practical Framework for Corpus Representativeness (Hardcover, New Ed)
Jesse Egbert, Douglas Biber, Bethany Gray
R3,315 R2,796 Discovery Miles 27 960 Save R519 (16%) Ships in 10 - 15 working days

Corpora are ubiquitous in linguistic research, yet to date, there has been no consensus on how to conceptualize corpus representativeness and collect corpus samples. This pioneering book bridges this gap by introducing a conceptual and methodological framework for corpus design and representativeness. Written by experts in the field, it shows how corpora can be designed and built in a way that is both optimally suited to specific research agendas, and adequately representative of the types of language use in question. It considers questions such as 'what types of texts should be included in the corpus?', and 'how many texts are required?' - highlighting that the degree of representativeness rests on the dual pillars of domain considerations and distribution considerations. The authors introduce, explain, and illustrate all aspects of this corpus representativeness framework in a step-by-step fashion, using examples and activities to help readers develop practical skills in corpus design and evaluation.

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