Автор: Voulgaris Zacharias Название: Julia for Data Science ISBN: 1634621301 ISBN-13(EAN): 9781634621304 Издательство: Gazelle Book Services Рейтинг: Цена: 41330.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: Master how to use the Julia language to solve business critical data science challenges. After covering the importance of Julia to the data science community and several essential data science principles, we start with the basics including how to install Julia and its powerful libraries. Many examples are provided as we illustrate how to leverage each Julia command, dataset, and function. Specialised script packages are introduced and described. Hands-on problems representative of those commonly encountered throughout the data science pipeline are provided, and we guide you in the use of Julia in solving them using published datasets. Many of these scenarios make use of existing packages and built-in functions, as we cover: 1. An overview of the data science pipeline along with an example illustrating the key points, implemented in Julia; 2. Options for Julia IDEs; 3. Programming structures and functions; 4. Engineering tasks, such as importing, cleaning, formatting and storing data, as well as performing data pre-processing; 5. Data visualisation and some simple yet powerful statistics for data exploration purposes; 6. Dimensionality reduction and feature evaluation; 7. Machine learning methods, ranging from unsupervised (different types of clustering) to supervised ones (decision trees, random forests, basic neural networks, regression trees, and Extreme Learning Machines); 8. Graph analysis including pinpointing the connections among the various entities and how they can be mined for useful insights. Each chapter concludes with a series of questions and exercises to reinforce what you learned. The last chapter of the book will guide you in creating a data science application from scratch using Julia.
Автор: Voulgaris, Zacharias Название: Data scientist ISBN: 193550469X ISBN-13(EAN): 9781935504696 Издательство: Gazelle Book Services Рейтинг: Цена: 35730.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание:
Learn what a data scientist is and how to become one.
As our society transforms into a data-driven one, the role of the Data Scientist is becoming more and more important. If you want to be on the leading edge of what is sure to become a major profession in the not-too-distant future, this book can show you how.
Each chapter is filled with practical information that will help you reap the fruits of big data and become a successful Data Scientist:
Learn what big data is and how it differs from traditional data through its main characteristics: volume, variety, velocity, and veracity.
Explore the different types of Data Scientists and the skillset each one has.
Dig into what the role of the Data Scientist requires in terms of the relevant mindset, technical skills, experience, and how the Data Scientist connects with other people.
Be a Data Scientist for a day, examining the problems you may encounter and how you tackle them, what programs you use, and how you expand your knowledge and know-how.
See how you can become a Data Scientist, based on where you are starting from: a programming, machine learning, or data-related background.
Follow step-by-step through the process of landing a Data Scientist job: where you need to look, how you would present yourself to a potential employer, and what it takes to follow a freelancer path.
Read the case studies of experienced, senior-level Data Scientists, in an attempt to get a better perspective of what this role is, in practice.
At the end of the book, there is a glossary of the most important terms that have been introduced, as well as three appendices - a list of useful sites, some relevant articles on the web, and a list of offline resources for further reading.
Автор: Zacharias-walsh, Anne Название: Our unions, our selves ISBN: 1501703056 ISBN-13(EAN): 9781501703058 Издательство: Mare Nostrum (Eurospan) Рейтинг: Цена: 30890.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание:
In Our Unions, Our Selves, Anne Zacharias-Walsh provides an in-depth look at the rise of women-only unions in Japan, an organizational analysis of the challenges these new unions face in practice, and a firsthand account of the ambitious, occasionally contentious, and ultimately successful international solidarity project that helped to spark a new feminist labor movement.In the early 1990s, as part of a larger wave of union reform efforts in Japan, women began creating their own women-only labor unions to confront long-standing gender inequality in the workplace and in traditional enterprise unions. These new unions soon discovered that the demand for individual assistance and help at the bargaining table dramatically exceeded the rate at which the unions could recruit and train members to meet that demand. Within just a few years, women-only unions were proving to be both the most effective option women had for addressing problems on the job and in serious danger of dying out because of their inability to grow their organizational capacity.Zacharias-Walsh met up with Japanese women's unions at a critical moment in their struggle to survive. Recognizing the benefits of a cross-national dialogue, they teamed up to host a multiyear international exchange project that brought together U.S. and Japanese activists and scholars to investigate the links between organizational structure and the day-to-day problems nontraditional unions face, and to develop Japan-specific participatory labor education as a way to organize and empower new generations of members. They also gained valuable insights into the fine art of building and maintaining the kinds of collaborative, cross border relationships that are essential to today’s social justice movements, from global efforts to save the environment to the Fight for $15 and Black Lives Matter.
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