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Provides concise and insightful notes about commands, features, and tricks that will help you obtain a deeper understanding of Stata. The book comprises the contributions of the Stata community that have appeared in the "Stata Journal" since 2003.
One Hundred Nineteen Stata Tips provides concise and insightful notes about commands, features, and tricks that will help you obtain a deeper understanding of Stata. The book comprises the contributions of the Stata community that have appeared in the Stata Journal since 2003.
This volume is a sometimes serious and sometimes whimsical retrospective of Stata, its development, and its use over the last 30 years. The view from the inside opens with an essay by Bill Gould, Stata's president and cofounder, that discusses the challenges and concepts that guided the design and implementation of Stata. This is followed by an interview of Bill by Joe Newton that discusses Bill's early interest in computing, his early work on a program for matching prom dates in the days when you had to purchase time on computers, and further exploration of the guiding principles behind Stata. Finally, Sean Becketti, Stata's first employee, delves into the not-to-be-missed culture of Stata in its infancy. The view from the outside comprises 14 essays by prominent researchers and members of the Stata community. Most discuss Stata's use and evolution in disciplines such as behavioral sciences, business, economics, epidemiology, time series, political science, public health, public policy, veterinary epidemiology, and statistics. Some take a sweeping overview. Others are more intimate personal recollections. Mostly, we simply wanted to celebrate the relationship between Stata users and Stata software. We hope that this volume holds something interesting for everyone.
"The second edition of this book contains several new recipes illustrating how do-files, ado-files, and Mata functions can be used to solve programming problems. Several recipes have also been updated to reflect new features in Stata added between versions 10 and 14. The discussion of maximum-likelihood function evaluators has been significantly expanded in this edition. The new topics covered in this edition include factor variables and operatores; use of margins, marginsplot, and suest; Mata-based likelihood function evaluators; and associative arrays."--Preface.
DigiCat Publishing presents to you this special edition of "Absalom, Absalom!" by William Faulkner. DigiCat Publishing considers every written word to be a legacy of humankind. Every DigiCat book has been carefully reproduced for republishing in a new modern format. The books are available in print, as well as ebooks. DigiCat hopes you will treat this work with the acknowledgment and passion it deserves as a classic of world literature.
Anne Tyler gives us a wise, haunting, and deeply moving new novel in which she explores how a middle-aged man, ripped apart by the death of his wife, is gradually restored by her frequent appearances -- in their house, on the roadway, in the market. Crippled in his right arm and leg, Aaron has spent his childhood fending off a sister who wants to manage him. When he meets Dorothy, a plain, outspoken, independent young woman, she is like a breath of fresh air. Unhesitatingly, he marries her, and they have a relatively happy, unremarkable life together. But when a tree crashes into their house and Dorothy is killed, Aaron feels as though he has been erased forever. Only Dorothy's unexpected appearances from the dead help him to live in the moment and find some peace. Gradually he discovers, as he works in the family's vanity-publishing business, (turning out titles that presume to guide beginners through the trails of life) that maybe for this beginner there is a way of saying goodbye. A beautiful, subtle exploration of loss and recovery, pierced throughout with Anne Tyler's humour, wisdom, and always penetrating look at human foibles.
The process of user-centered innovation: how it can benefit both users and manufacturers and how its emergence will bring changes in business models and in public policy. Innovation is rapidly becoming democratized. Users, aided by improvements in computer and communications technology, increasingly can develop their own new products and services. These innovating users—both individuals and firms—often freely share their innovations with others, creating user-innovation communities and a rich intellectual commons. In Democratizing Innovation, Eric von Hippel looks closely at this emerging system of user-centered innovation. He explains why and when users find it profitable to develop new products and services for themselves, and why it often pays users to reveal their innovations freely for the use of all.The trend toward democratized innovation can be seen in software and information products—most notably in the free and open-source software movement—but also in physical products. Von Hippel's many examples of user innovation in action range from surgical equipment to surfboards to software security features. He shows that product and service development is concentrated among "lead users," who are ahead on marketplace trends and whose innovations are often commercially attractive. Von Hippel argues that manufacturers should redesign their innovation processes and that they should systematically seek out innovations developed by users. He points to businesses—the custom semiconductor industry is one example—that have learned to assist user-innovators by providing them with toolkits for developing new products. User innovation has a positive impact on social welfare, and von Hippel proposes that government policies, including R&D subsidies and tax credits, should be realigned to eliminate biases against it. The goal of a democratized user-centered innovation system, says von Hippel, is well worth striving for. An electronic version of this book is available under a Creative Commons license.
The book took off. Thirty million copies later, How to Win Friends was one of the best-selling books in the history of the written word. It has been translated into several dozen languages, and it is still selling today. Carnegie formed a company, Dale Carnegie & Associates, Inc., to spread his human-relations message, and he found an eager audience around the world. He appeared regularly on radio and television. He taught others how to teach his course, and he wrote two more human-relations books, The Quick and Easy Way to Effective Speaking and How to Stop Worrying and Start Living, best sellers both. Even Carnegie's death in 1955 did not impede the spread of his ideas.