2016 National 5-Digit Zip Code and Post Office Directory


Book Description

This 2016 edition contains all the essential information you need to get your mail where it needs to go-including updated information on new residential numbers, new street names, and new ZIP Codes.







Reference and Information Services


Book Description

Designed to complement every introductory library reference course, this is the perfect text for students and librarians looking to expand their personal reference knowledge, teaching failsafe methods for identifying important materials by matching specific types of questions to the best available sources, regardless of format. Guided by a national advisory board of educators and practitioners, this thoroughly updated text expertly keeps up with new technologies and practices while remaining grounded in the basics of reference work. Chapters on fundamental concepts, major reference sources, and special topics provide a solid foundation; the text also offers fresh insight on core issues, including ethics, readers' advisory, information literacy, and other key aspects of reference librarianship;selecting and evaluating reference materials, with strategies for keeping up to date;assessing and improving reference services;guidance on conducting reference interviews with a range of different library users, including children and young adults;a new discussion of reference as programming;important special reference topics such as Google search, 24/7 reference, and virtual reference; anddelivering reference services across multiple platforms As librarians experience a changing climate for all information services professionals, in this book Cassell and Hiremath provide the tools needed to manage the ebb and flow of changing reference services in today's libraries.













Forms Catalog


Book Description







The Book of R


Book Description

The Book of R is a comprehensive, beginner-friendly guide to R, the world’s most popular programming language for statistical analysis. Even if you have no programming experience and little more than a grounding in the basics of mathematics, you’ll find everything you need to begin using R effectively for statistical analysis. You’ll start with the basics, like how to handle data and write simple programs, before moving on to more advanced topics, like producing statistical summaries of your data and performing statistical tests and modeling. You’ll even learn how to create impressive data visualizations with R’s basic graphics tools and contributed packages, like ggplot2 and ggvis, as well as interactive 3D visualizations using the rgl package. Dozens of hands-on exercises (with downloadable solutions) take you from theory to practice, as you learn: –The fundamentals of programming in R, including how to write data frames, create functions, and use variables, statements, and loops –Statistical concepts like exploratory data analysis, probabilities, hypothesis tests, and regression modeling, and how to execute them in R –How to access R’s thousands of functions, libraries, and data sets –How to draw valid and useful conclusions from your data –How to create publication-quality graphics of your results Combining detailed explanations with real-world examples and exercises, this book will provide you with a solid understanding of both statistics and the depth of R’s functionality. Make The Book of R your doorway into the growing world of data analysis.




The Postal Bulletin


Book Description