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| Author | : Julia Silge |
| Publisher | : "O'Reilly Media, Inc." |
| Total Pages | : 193 |
| Release | : 2017-06-12 |
| Genre | : Computers |
| ISBN | : 1491981628 |
Chapter 7. Case Study : Comparing Twitter Archives; Getting the Data and Distribution of Tweets; Word Frequencies; Comparing Word Usage; Changes in Word Use; Favorites and Retweets; Summary; Chapter 8. Case Study : Mining NASA Metadata; How Data Is Organized at NASA; Wrangling and Tidying the Data; Some Initial Simple Exploration; Word Co-ocurrences and Correlations; Networks of Description and Title Words; Networks of Keywords; Calculating tf-idf for the Description Fields; What Is tf-idf for the Description Field Words?; Connecting Description Fields to Keywords; Topic Modeling.
| Author | : Magda Hellinger |
| Publisher | : Simon and Schuster |
| Total Pages | : 320 |
| Release | : 2022-03-15 |
| Genre | : Biography & Autobiography |
| ISBN | : 1982181249 |
The “thought-provoking…must-read” (Ariana Neumann, author of When Time Stopped) memoir by a Holocaust survivor who saved an untold number of lives at Auschwitz through everyday acts of courage and kindness—in the vein of A Bookshop in Berlin and The Nazi Officer’s Wife. In March 1942, twenty-five-year-old kindergarten teacher Magda Hellinger and nearly a thousand other young women were deported as some of the first Jews to be sent to the Auschwitz concentration camp. The SS soon discovered that by putting prisoners in charge of the day-to-day accommodation blocks, they could deflect attention away from themselves. Magda was one such prisoner selected for leadership and put in charge of hundreds of women in the notorious Experimental Block 10. She found herself constantly walking a dangerously fine line: saving lives while avoiding suspicion by the SS and risking execution. Through her inner strength and shrewd survival instincts, she was able to rise above the horror and cruelty of the camps and build pivotal relationships with the women under her watch, and even some of Auschwitz’s most notorious Nazi senior officers. Based on Magda’s personal account and completed by her daughter’s extensive research, this is “an unputdownable account of resilience and the power of compassion” (Booklist) in the face of indescribable evil.
| Author | : Barry Ulanov |
| Publisher | : Greenwood Publishing Group |
| Total Pages | : 248 |
| Release | : 1975 |
| Genre | : Family & Relationships |
| ISBN | : 9780837176598 |
| Author | : Walter Lippmann |
| Publisher | : Transaction Publishers |
| Total Pages | : 406 |
| Release | : 1982 |
| Genre | : Philosophy |
| ISBN | : 0878559078 |
After an eloquent and moving analysis of what he sees as the disillusion of themodern age, Lippmann posits as the central dilemma of liberalism its inability to find an appropriate substitute for the older forms of authority-- church, state, class, family, law, custom--that it has denied. Lippmann attempts to find a way out of this chaos through the acceptance of a higher humanism and a way of life inspired by the ideal of "disinterestedness" in all things. In his new introduction to the Transaction edition, John Patrick Diggins marks "A Preface "to "Morals, "originally published in 1929, as a critical turning point in Lippmann's intellectual career. He also provides an excellent discussion of the enduring value of this major twentieth-century work by situating it within the context of other intellectual movements.
| Author | : Emil Hvitfeldt |
| Publisher | : CRC Press |
| Total Pages | : 402 |
| Release | : 2021-10-22 |
| Genre | : Computers |
| ISBN | : 1000461971 |
Text data is important for many domains, from healthcare to marketing to the digital humanities, but specialized approaches are necessary to create features for machine learning from language. Supervised Machine Learning for Text Analysis in R explains how to preprocess text data for modeling, train models, and evaluate model performance using tools from the tidyverse and tidymodels ecosystem. Models like these can be used to make predictions for new observations, to understand what natural language features or characteristics contribute to differences in the output, and more. If you are already familiar with the basics of predictive modeling, use the comprehensive, detailed examples in this book to extend your skills to the domain of natural language processing. This book provides practical guidance and directly applicable knowledge for data scientists and analysts who want to integrate unstructured text data into their modeling pipelines. Learn how to use text data for both regression and classification tasks, and how to apply more straightforward algorithms like regularized regression or support vector machines as well as deep learning approaches. Natural language must be dramatically transformed to be ready for computation, so we explore typical text preprocessing and feature engineering steps like tokenization and word embeddings from the ground up. These steps influence model results in ways we can measure, both in terms of model metrics and other tangible consequences such as how fair or appropriate model results are.
| Author | : Milton Friedman |
| Publisher | : Walter de Gruyter GmbH & Co KG |
| Total Pages | : 368 |
| Release | : 2021-03-22 |
| Genre | : Business & Economics |
| ISBN | : 3112417526 |
| Author | : David Bawden |
| Publisher | : Facet Publishing |
| Total Pages | : 385 |
| Release | : 2015-06-10 |
| Genre | : Computers |
| ISBN | : 1856048101 |
This landmark textbook takes a whole subject approach to Information Science as a discipline. Introduced by leading international scholars and offering a global perspective on the discipline, this is designed to be the standard text for students worldwide. The authors' expert narrative guides you through each of the essential building blocks of information science offering a concise introduction and expertly chosen further reading and resources. Critical topics covered include: foundations: - concepts, theories and historical perspectives - organising and retrieving information - information behaviour, domain analysis and digital literacies - technologies, digital libraries and information management - information research methods and informetrics - changing contexts: information society, publishing, e-science and digital humanities - the future of the discipline. Readership: Students of information science, information and knowledge management, librarianship, archives and records management worldwide. Students of other information-related disciplines such as museum studies, publishing, and information systems and practitioners in all of these disciplines.
| Author | : CAITLIN. FINLAYSON |
| Publisher | : |
| Total Pages | : |
| Release | : 2019 |
| Genre | : |
| ISBN | : |
| Author | : John Whitington |
| Publisher | : "O'Reilly Media, Inc." |
| Total Pages | : 143 |
| Release | : 2011-12-01 |
| Genre | : Computers |
| ISBN | : 1449321607 |
At last, here’s an approachable introduction to the widely used Portable Document Format. PDFs are everywhere, both online and in printed form, but few people take advantage of the useful features or grasp the nuances of this format. This concise book provides a hands-on tour of the world’s leading page-description language for programmers, power users, and professionals in the search, electronic publishing, and printing industries. Illustrated with lots of examples, this book is the documentation you need to fully understand PDF. Build a simple PDF file from scratch in a text editor Learn the layout and content of a PDF file, as well as the syntax of its objects Examine the logical structure of PDF objects, and learn how pages and their resources are arranged into a document Create vector graphics and raster images in PDF, and deal with transparency, color spaces, and patterns Explore PDF operators for building and showing text strings Get up to speed on bookmarks, metadata, hyperlinks, annotations, and file attachments Learn how encryption and document permissions work in PDF Use the pdftk program to process PDF files from the command line
| Author | : Donald S. Lutz |
| Publisher | : University Press of Kansas |
| Total Pages | : 210 |
| Release | : 1992-09-03 |
| Genre | : Political Science |
| ISBN | : 0700605460 |
Donald Lutz begins A Preface to American Political Theory by explaining what the book doesn't do. It doesn't begin with a panegyric to the American founding. It doesn't answer the following questions: "What are the basic principles in the U.S. Constitution? What were the intentions of the founders with respect to (fill in your own topic)? What is the meaning of pluralism, or separation of powers, or democracy, or (fill in your own concept)?" In short, it doesn't provide an overview of the content, development, or major conclusions of American political theory. What it does do is provide "a pre-theoretical analysis of how to go about studying questions like the ones above-how to conceptualize the project, how to proceed in looking for answers, how to avoid the logical traps peculiar to the study of American political theory." Lutz sets out to emancipate American political theorists from empiricism and inappropriate European theories and methadologies. The end result is to establish the foundation for the systematic study of American behavior, institutions, and ideas; to provide a general introduction to the study of American political theory; and to illustrate how textual analysis, history, empirical research, and analytic philosophy are all part of the enterprise. Designed for students and scholars in all disciplines, including political science, history, and legal studies, A Preface to American Political Theory doesn't provide answers to central continuing issues in American political theory. Rather, it provides an effective, sophisticated entree into the study of American political theory. Readers will be armed with the intellectual tools to engage in systematic study and makes them aware of the pitfalls they will inevitably encounter.
