Showing posts with label data. Show all posts
Showing posts with label data. Show all posts

Damned Lies and Statistics: Untangling Numbers from the Media, Politicians, and Activists Review

Damned Lies and Statistics: Untangling Numbers from the Media, Politicians, and Activists
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Are ten percent of Americans gay? Is the white male in the work force rapidly becoming a minority? Are 150,000 young American women dying each year from anorexia?
Joel Best clearly answers "no" to each of these three questions and, more importantly, shows why many people would say "yes". His point is that descriptive statistics are the product of a social activity, not just a representation of society. Social advocacy causes people to collect the data that they feel will best support their preconceived notions: They talk to unrepresentative groups. They start to collect new measures and then wonder why the "statistics" have grown since ten years earlier (when they weren't much -- if at all -- measured). They multiply erroneous assumptions. They mutate data. And the press and other publications carry the mutations forward.
This book offers plenty of illustrations of intentions run amok. Many of the reports provide useful information for a classroom lecture on the need to discern if a person is "speaking rot", as Harold Macmillan once said was the primary purpose of an education.
A good, crisp 171 pages in length, it is absent discussion of the more difficult inferential statistics and, as a result, it is easy to understand by the lay person.

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Microformats: Empowering Your Markup for Web 2.0 Review

Microformats: Empowering Your Markup for Web 2.0
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Microformats: Empowering Your Markup for Web 2.0 by John Allsopp is an incredible resource for learning Microformats. I didn't know what to expect with this book, as part of me wondered how someone could take over 300 pages to talk about Microformats. Truth be told -- this book was very in-depth from cover to cover. Microformats are still in their infancy, being just a few years old. However, as we see throughout this book -- there are many big players who are staking ground in the value and use of Microformats. I recently read HTML Mastery which scratched the surface of the power of Microformats. I would consider this book The Official Guide To Microformats with all of the information available. Here is a brief glimpse of what is found in this resource:
The book is broken down into 5 parts, but I will look over each chapter individually.
Chapter 1 answers the question "What are Microformats?" This is a thorough introduction to Microformats, the semantic web, the benefits of using Microformats -- as well as it's origins, definition, and principles. The principles include:
- Solve a specific problem.
- Start as simply as possible.
- Are designed for humans first, machines second.
- Reuse building blocks from widely adopted standards.
- Are modular and embeddable.
Enable and encourage decentralized development, content, and services.
These are vital to the heart of Microformats. Though the web is aspiring to be semantic -- we still have many problems to solve to help out our machine friends in the process of making sense of our language.
Chapter 2 gives us some quick snapshot views into how Microformats are currently being used. Discussions of browsers, their support, and their future. It is exciting to see the possibilities of Microformats being built into the browsers -- since they are decentralized they will allow us to find things much easier (and make sense of those things). There are currently many tools available to aid a developer in creating the necessary markup and structure for formats. It is important to note that Microformats are not a new language, but are simply built onto already existing XHTML. The author presents the chicken and egg struggle and where Microformats are already being used in the wild. A few of those include, Yahoo, Cork'd and Apple. Not only are there early adopters on board, but there are services to help people make sense of the content. A few of these services include Technorati and Pingerati. These services all you to generate vCards from your properly formatted hCards. It also allows you to submit your site for Microformats searching. These are some powerful tools that will only continue to expand and grow.
Chapter 3 discusses the necessary foundation to create Microformats -- Semantic HTML. The author discusses the days of the web where HTML was wrongly turned into a presentational language. HTML is a structure. It is semantic. It gives meaning to your documents. Your presentation layer belongs in your CSS (most developers will know this, unless they are living under a rock). He discusses some of the not-so-popular HTML elements, as well as elaborating on their proper use and placement in a page. This chapter ends with the fact that HTML has its limits. There simply aren't enough tags for us to complete many of our common tasks (with semantics in mind). This is where Microformats come in.
Chapter 4 is where we start to get our feet wet. We are introduced to Link-Based Microformats. I won't elaborate on each, but a few of these include rel-license, rel-tag, and rel-nofollow. These are embedded in -- you guessed it -- links.
Chapter 5 takes your relationship a step further. Here we discuss XFN. If you have used any blogging software then you have most likely come into contact with this. This is defining your relationships based on the rel attribute. There are many relationships that can be defined, and several more that are planned to be added. This chapter shows some of the services already utilizing XFN, as well as how you can use the rel attribute and CSS attribute selectors to style your content. Lean, semantic, markup.
Chapter 6 looks to geo and adr Microformats. Geo is related to defining your location via latitude and longitude. We are also introduced to a new design pattern: abbr. The adr format is used to markup addresses. These two Microformats used together have added rich value to applications such as Google Maps, Yahoo Maps, and Flickr. Again, we are given some examples of styling these elements using their attributes as hooks.
Chapter 7 takes use a little deeper with hCard. hCard reuses the already established format of vCard used in many applications today. Both individual persons and organizations were discussed. Again, we are introduced to services currently using hCard, as well as several different ways to style our hCard using the given hooks.
Chapter 8 helps us to get our dates in order with hCalendar. Again, hCalendar extends from vcalendar (used in many applications like Outlook and Address Book) Both basic and complex events were discussed here. I like how we have the ability to add a calendar to a page and add multiple events to a specific calendar. This shows just how flexible Microformats are. We also get to see a complex example of a timeline marked up in a table. Here we see how Microformats utilizes the semantic markup to achieve specific tasks. Using axis, scope, and headers allow us to create an accessible table -- while also reaping the benefits of vevent. We get a glimpse of the tools available to help you construct hCalendars, as well as services currently using the hCalendar format.
Chapter 9 brings us to a few items in draft format, hReview and hResume. Though they are drafts, they are very solid and can be implemented in their current state. These items allow for great flexibility as we can use compound Microformats (just as we can use compounded XHTML elements). hReview has it's core, but certain elements allow for extensions of hCard, rel-tag and rel-license. Again, very powerful ways to build your Microformats into your pages. As with the other chapters, hooks were shown and some basic styling instructions were given.
Chapter 10 discusses hAtom. This doesn't seem to be as widely used as the other Microformats we have seen -- but there is still great value for syndication and publishing (alongside RSS).
Chapters 11 and 12 show Microformats in the wild with 2 case studies: Cork'd and Yahoo!. These chapters featured interviews with Dan Cederholm as well as Nate Koechley. Cork'd is a relatively new application with Microformats attached from the beginning. Designer Dan Cederholm discusses how and why they chose to use Microformats (and when) in their application. Moving up the scale to a larger organization, Yahoo! is utilizing Microformats in many of their major applications including Upcoming.org and Flickr. These case studios show how many organizations are starting to take hold of Microformats, and how simple the process really is to reap the benefits of your semantic structure.
Chapter 13 and the Appendixes discuss how to get involved with Microformats. The goal is to have a decentralized service, so Microformats are not as closed as other formal standards are. They are open to more developments as long as they stand in line with the principles behind the foundation. The appendixes give a full listing of all Microformats, Design Patterns, and the People and Services using Microformats in their applications. The appendixes are extremely valuable to have as a resource as you begin your journey with Microformats.
I have had a passion for Microformats for the past 6 months or so. I started researching and really diving in to understand the goals. I was immediately able to see the benefits -- but there was still the chicken and the egg question that was in the back of my mind. I don't feel this question is even necessary anymore, as I move ahead utilizing Microformats (and building applications to utilize them) in my development of websites. They don't take long to put in place as they go hand in hand with a solid HTML structure. So I guess the only question is: why wouldn't you use them?
This book was a great read, and will continue to be used as a great resource.

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Microformats burst onto the scene a couple of years ago and are fast becoming an essential tool for all professional web designers and developers. Imagine being able to integrate all of your web-based contact details, tagged articles, and geographical information seamlessly in web and desktop applications, without having to add anything extra to your websites except a little specialized HTML markup.

Microformats provide a more formalized technology for adding commonly used semantics (such as contact details, location, and reviews) to today's Web. Unlike XML or the semantic Web, microformats use ubiquitous technologies like HTML and XHTML, existing developer skills, and current web tools, and, perhaps most important, they work in all of today's web browsers.

This book is a comprehensive guide to microformats. It explores why-in Bill Gates' words-"We need microformats," how microformats work, and the kinds of problems microformats help solve. The book covers every current microformat, with complete details of the syntax, semantics, and uses of each, along with real-world examples and a comprehensive survey of the tools available for working with them. the book also features case studies detailing how major web content publishers such as yahoo put microformats to work in their web applications.

Written by one of the Web's best-known educators, John Allsopp, Microformats: Empowering Your Markup for Web 2.0 will help you painlessly get up to speed with this exciting technology.


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Numbers Rule Your World: The Hidden Influence of Probabilities and Statistics on Everything You Do Review

Numbers Rule Your World: The Hidden Influence of Probabilities and Statistics on Everything You Do
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This book shows how statistical thinking works and how it's benefiting our lives. It's an easy-read book without a lot of jargon or, surprisingly, numbers. I found the book to be engaging - through the use of stories - and helpful in understanding something that otherwise could be quite dull.
"Statistical thinking is distinct from everyday thinking. It is a skill that is learned. ... many applied scientists routinely use statistical thinking on the job," the author says. Statistical thinking is also often counter-intuitive. And this was my biggest take-away from this interesting book.
Using the premise that we can learn statistical thinking and that we can apply it in everyday situations, Fung provides 10 stories to teach 5 big principles of statistical thinking:
1. Variability over Averages: Statistical average isn't the key, deviation from the average is.
2. Correlation over Cause and Effect: Cause and effect might provide rational explanation, but unexplained correlation is also useful and quicker to find.
3. Group differences over Group averages: Differences within groups are hidden by averaging groups together.
4. Errors are both positive and negative: Minimizing mistakes creates mistakes of a different kind.
5. The Impossible really is Impossible: Don't believe what is too rare to be true.
The stories are applications of these principles in things we're all interested in. Like, the shortest waiting time at Disneyland, finding the source of a deadly E. coli outbreak, financial credit scores, highway traffic meters, steroid testing in Major League Baseball, SAT test writers, lie-detector tests, uncovering a lottery scam, and the safety record of airlines.
If you liked Gladwell's The Tipping Point: How Little Things Can Make a Big Difference, you'll most likely appreciate this book too.

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WHAT ARE THE ODDS YOU'LL WIN THE LOTTERY?
How long will your kids wait in line at Disney World?
Who decides that "standardized tests" are fair?
Why do highway engineers build slow-moving ramps?
What does it mean, statistically, to be an "Average Joe"?
NUMBERS RULE YOUR WORLDIn the popular tradition of eye-opening bestsellers like Freakonomics, The Tipping Point, and Super Crunchers, this fascinating book from renowned statistician and blogger Kaiser Fung takes you inside the hidden world of facts and figures that affect you every day, in every way.
These are the statistics that rule your life, your job, your commute, your vacation, your food, your health, your money, and your success. This is how engineers calculate your quality of living, how corporations determine your needs, and how politicians estimate your opinions. These are the numbers you never think about-even though they play a crucial role in every single aspect of your life.
What you learn may surprise you, amuse you, or even enrage you. But there's one thing you won't be able to deny: Numbers Rule Your World…
"An easy read with a big benefit."—Fareed Zakaria, CNN

"For those who have anxiety about how organization data-mining is impacting their world,Kaiser Fung pulls back the curtain to reveal the good and the bad of predictive analytics."—Ian Ayres,Yale professor and author of Super Crunchers:Why Thinking By Numbers is the New Way to Be Smart
"A book that engages us with stories that a journalist would write, the compelling stories behind the stories as illuminated by the numbers, and the dynamics that the numbers reveal."—John Sall, Executive Vice President, SAS Institute
"Little did I suspect, when I picked up Kaiser Fung's book, that I would become so entranced by it - an illuminating and accessible exploration of the power of statistical analysis for those of us who have no prior training in a field that he explores so ably."—Peter Clarke, author of Keynes: The Rise, Fall, and Return of the 20th Century's Most Influential Economist

"A tremendous book. . . . If you want to understand how to use statistics, how to think with numbers and yet to do this without getting lost in equations, if you've been looking for the book to unlock the door to logical thinking about problems, well, you will be pleased to know that you are holding that book in your hands."—Daniel Finkelstein, Executive Editor, The Times of London
"I thoroughly enjoyed this accessible book and enthusiastically recommendit to anyone looking to understand and appreciate the role of statistics and dataanalysis in solving problems and in creating a better world." —Michael Sherman, Texas A&M University, American Statistician


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Enterprise Web 2.0 Fundamentals Review

Enterprise Web 2.0 Fundamentals
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It's perhaps slightly surprising to see this put out by Cisco Press. They usually deal with topics closely if not explicitly tied to Cisco hardware, or to Cisco sponsored credentialling.
The book has more general scope, for the most part. It talks in broad, largely nontechnical prose, about the Web 2.0. Explaining what this means in terms of blogs, social networking, wikis and other user-generated activities. But it also has meaning in terms of the mobile user, who might access the web from a cellphone, PDA or wireless netbook.
As to how the Web 2.0 is accomplished in a technical manner, the book describes various programming languages that are popular in building such websites. Think Ajax and Ruby on Rails, for instance.
The conceptual boundary of the Web is the so-called Semantic Web, a term proposed by Tim Berners-Lee. We get some airing here about the Semantic Web. You get to appreciate that this is still early times for it. The book also brings up cloud computing. Alas, the latter term is so vague, but to the extent that it has useful meaning, the book tries to educate you on this.
The last 2 chapters are where Cisco is actively promoted. Describing how Cisco uses things like blogs in their sales group. I'm not sure quite what to make of these chapters. Is it mainly to build mindshare about how Cisco uses these ideas? For instance, it mentions how Cisco won several awards for their projects. Good for them.
The appendices are extensive and quite good, if you want to use the book as a guide to far more detailed resources on the Web. In a way, the appendices somewhat impart the book the flavour of a review article in a scholarly journal, by their copious references to original texts.

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An introduction to next-generation web technologiesThis is a comprehensive, candid introduction to Web 2.0 for every executive, strategist, technical professional, and marketer who needs to understand its implications. The authors illuminate the technologies that make Web 2.0 concepts accessible and systematically identify the business and technical best practices needed to make the most of it. You'll gain a clear understanding of what's really new about Web 2.0 and what isn't. Most important, you'll learn how Web 2.0 can help you enhance collaboration, decision-making, productivity, innovation, and your key enterprise initiatives.The authors cut through the hype that surrounds Web 2.0 and help you identify the specific innovations most likely to deliver value in your organization. Along the way, they help you assess, plan for, and profit from user-generated content, Rich Internet Applications (RIA), social networking, semantic web, content aggregation, cloud computing, the Mobile Web, and much more. This is the only book on Web 2.0 that:Covers Web 2.0 from the perspective of every participant and stakeholder, from consumers to product managers to technical professionalsProvides a view of both the underlying technologies and the potential applications to bring you up to speed and spark creative ideas about how to apply Web 2.0Introduces Web 2.0 business applications that work, as demonstrated by actual Cisco® case studiesOffers detailed, expert insights into the technical infrastructure and development practices raised by Web 2.0Previews tomorrow's emerging innovations–including "Web 3.0," the Semantic WebProvides up-to-date references, links, and pointers for exploring Web 2.0 first-handKrishna Sankar, Distinguished Engineer in the Software Group at Cisco, currently focuses on highly scalable Web architectures and frameworks, social and knowledge graphs, collaborative social networks, and intelligent inferences.Susan A. Bouchard is a senior manager with US-Canada Sales Planning and Operations at Cisco. She focuses on Web 2.0 technology as part of the US-Canada collaboration initiative.Understand Web 2.0's foundational concepts and component technologiesDiscover today's best business and technical practices for profiting from Web 2.0 and Rich Internet Applications (RIA)Leverage cloud computing, social networking, and user-generated contentUnderstand the infrastructure scalability and development practices that must be address-ed for Web 2.0 to workGain insight into how Web 2.0 technologies are deployed inside Cisco and their business value to employees, partners, and customersThis book is part of the Cisco Press® Fundamentals Series. Books in this series introduce networking professionals to new networking technologies, covering network topologies, example deployment concepts, protocols, and management techniques.Category: General NetworkingCovers: Web 2.0$40.00 USA / $48.00 CAN

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