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

An introduction to the PDF file format, threaded through with practical examples – deconstructing, creating and processing PDF files. After exploring how PDF is produced, and how it can be edited with tools from text editors to Ghostscript to PDFTK, readers will learn to deal with problems with PDF files and common error messages.

R Markdown: The Definitive Guide is the first official book authored by the core R Markdown developers that provides a comprehensive and accurate reference to the R Markdown ecosystem. With R Markdown, you can easily create reproducible data analysis reports, presentations, dashboards, interactive applications, books, dissertations, websites, and journal articles, while enjoying the simplicity of Markdown and the great power of R and other languages. In this book, you will learn Basics: Syntax of Markdown and R code chunks, how to generate figures and tables, and how to use other computing languages Built-in output formats of R Markdown: PDF/HTML/Word/RTF/Markdown documents and ioslides/Slidy/Beamer/PowerPoint presentations Extensions and applications: Dashboards, Tufte handouts, xaringan/reveal.js presentations, websites, books, journal articles, and interactive tutorials Advanced topics: Parameterized reports, HTML widgets, document templates, custom output formats, and Shiny documents. Yihui Xie is a software engineer at RStudio. He has authored and co-authored several R packages, including knitr, rmarkdown, bookdown, blogdown, shiny, xaringan, and animation. He has published three other books, Dynamic Documents with R and knitr, bookdown: Authoring Books and Technical Documents with R Markdown, and blogdown: Creating Websites with R Markdown. J.J. Allaire is the founder of RStudio and the creator of the RStudio IDE. He is an author of several packages in the R Markdown ecosystem including rmarkdown, flexdashboard, learnr, and radix. Garrett Grolemund is the co-author of R for Data Science and author of Hands-On Programming with R. He wrote the lubridate R package and works for RStudio as an advocate who trains engineers to do data science with R and the Tidyverse.

PDF is becoming the standard for digital documents worldwide, but it’s not easy to learn on your own. With capabilities that let you use a variety of images and text, embed audio and video, and provide links and navigation, there’s a lot to explore. This practical guide helps you understand how to work with PDF to construct your own documents, troubleshoot problems, and even build your own tools. You’ll also find best practices for producing, manipulating, and consuming PDF documents. In addition, this highly approachable reference will help you navigate the official (and complex) ISO documentation. Learn how to combine PDF objects into a cohesive whole Use PDF’s imaging model to create vector and raster graphics Integrate text, and become familiar with fonts and glyphs Provide navigation within and between documents Use annotations to overlay or incorporate additional content Build interactive forms with the Widget annotation Embed related files such as multimedia, 3D content, and XML files Use optional content to enable non-printing graphics Tag content with HTML-like structures, including paragraphs and tables

The 10th-anniversary edition of the New York Times business bestseller-now updated with "Answers to Ten Questions People Ask" We attempt or avoid difficult conversations every day-whether dealing with an underperforming employee, disagreeing with a spouse, or negotiating with a client. From the Harvard Negotiation Project, the organization that brought you Getting to Yes, Difficult Conversations provides a step-by-step approach to having those tough conversations with less stress and more success. you'll learn how to: · Decipher the underlying structure of every difficult conversation · Start a conversation without defensiveness · Listen for the meaning of what is not said · Stay balanced in the face of attacks and accusations · Move from emotion to productive problem solving

Introduces machine learning and its algorithmic paradigms, explaining the principles behind automated learning approaches and the considerations underlying their usage.

Class-tested and coherent, this textbook teaches classical and web information retrieval, including web search and the related areas of text classification and text clustering from basic concepts. It gives an up-to-date treatment of all aspects of the design and implementation of systems for gathering, indexing, and searching documents; methods for evaluating systems; and an introduction to the use of machine learning methods on text collections. All the important ideas are explained using examples and figures, making it perfect for introductory courses in information retrieval for advanced undergraduates and graduate students in computer science. Based on feedback from extensive classroom experience, the book has been carefully structured in order to make teaching more natural and effective. Slides and additional exercises (with solutions for lecturers) are also available through the book's supporting website to help course instructors prepare their lectures.