This week's SAS tip is from Lauren Haworth, Cynthia L. Zender, and Michele Burlew's book Output Delivery System: The Basics and Beyond. This monumental guide is packed with a wide-array of techniques and examples. As SAS programmer Christine Iodice said, "This book is one-stop shopping for all your ODS needs!"
Don’t worry! This is not an excerpt from a romantic love letter. The title of this blog post is an allusion to my talk on "Missing Values", at the A2013 conference in June in London. There is not much time for emotions: dealing with missing values in analysis is not
Welcome to Part 2 of the value-added Myth Busters blog series…have you heard this one before? Educators serving high-achieving students are often concerned that their students’ entering achievement level makes it more difficult for them to show growth. “How can my students show growth if they are already earning high
For many organizations, having traceability for members of staff accessing and leveraging customer data is a key requirement. There is the obvious security focus when leadership teams think about traceability, but there are additional uses for audit data within the organization: Using it to identify potentially broken work practices and
In statistics, distances between observations are used to form clusters, to identify outliers, and to estimate distributions. Distances are used in spatial statistics and in other application areas. There are many ways to define the distance between observations. I have previously written an article that explains Mahalanobis distance, which is
I thoroughly agree with Tricia Aanderud on what it takes to Create Engaging SAS Global Forum Presentations! Here are a few more tips based on my own experience: First, let's look at what it takes to publish, and present. Good title. Good abstract, written about five months in advance. Oh, the
Today is Diabetes Alert Day. The purpose of Diabetes Alert Day is to bring attention to the rising incidence of diabetes in the US and to alert folks to take action NOW to prevent or delay the onset of Type 2 diabetes. Preventing diabetes equates to blood glucose management which
“It’s not about how much money you make but to work on stuff that matters," according to Tim O’Reilly, founder of O'Reilly Media. At the recent Tools of Change conference, Tim O’Reilly mentioned during his keynote that writers tend to be motivated to work on “stuff that matters.” Through SAS
Are you a new SAS user who isn't sure where to begin? Have no fear, because you're not alone. Here at SAS, we often receive questions from people who need help getting started with the software. Getting Started with SAS is the topic of a SAS Talks session that I
It is easy to use the SGPLOT procedure in SAS to plot the graph of a well-behaved continuous function: just create a data set of the (x,y) values on some domain and use the SERIES statement to connect the points. However, to plot the graph of a discontinuous function correctly
A frequent question we get from users is how to create a box plot with custom whiskers lengths. Some want to plot the 10th and 90th percentile, while other want the 5th and 95th percentiles. The VBOX statement in the SGPLOT procedure does not provide for custom whiskers. Also, unlike GTL,
Revenge of the Nerds was so 1980s. Now it's a new world order: math geeks and athletes are working together. I'm not talking just about what happens when data nerds observe, analyze, and predict sports outcomes -- as they do in March Madness with their "bracketology". That's compelling, but your
A big part of "winning" these days (be it sports or a business) is performing analytics better than your competition. This is demonstrated in awe-inspiring fashion in the book (and movie) "Moneyball." And on that topic, I'd like to show you a few ways SAS can be used to analyze sports data
Personally, I love studies. They help put things into context, and when done well, provide an independent and hopefully unbiased view of the forces that shape our lives. They are also a great way to see government funds used in strange ways. For example, the new NIOSH (National Institute for
You can create SAS publication channels based on topics (3rd Quarter Results), organization (Business Unit X), user audience (new product release), or any other category. Once defined, authorized users can subscribe to the channels and automatically receive information whenever it is published.
Someone recently asked a question on the SAS Support Communities about estimating parameters in ridge regression. I answered the question by pointing to a matrix formula in the SAS documentation. One of the advantages of the SAS/IML language is that you can implement matrix formulas in a natural way. The
SG procedures and GTL use a collision avoidance algorithm to position data labels for a scatter or series plot. This is enabled by default. The label is preferably placed at the top right corner of the marker. The label is moved to one of the eight locations around the marker to
Last week I delivered a SAS Talks session: Introduction to Custom Tasks for SAS Enterprise Guide (click to watch it). I promised that I would share a collection of resources where you can learn more information. First, here is a round-up of the custom tasks that I mentioned, with links
One purpose of this International Year of Statistics is to spread the word that the field of statistics benefits society. As part of the International Year, many organizations, including SAS and the American Statistical Association (ASA), are turning to history to illustrate how statistics is vital to the health and
Garr Reynolds, author of Presentation Zen, has excellent ideas on organizing your information so it is effective and interesting. One tip is “Start with the End in Mind” – what is the purpose of your presentation? What do you want the audience to walk away knowing?
I've heard many customers ask "Can SAS do/use/handle census block maps?" My answer was "of course!" ... but I never really had any examples to show/prove that. Well, now I do! :) First, you need to locate & download the shape files for the census blocks you're interested in plotting. For
A common request we have been often hearing is for display of the distribution of data as a box plot, along with some detailed information overlaid. For example, one may have ratings data of all the hospitals in a region by different specialty, and you want to view this distribution
In the past five years, value-added models have been increasingly adopted by states to support various teaching effectiveness policies. As educators make the paradigm shift from looking at only achievement data to incorporating growth data, many misconceptions have developed. Compounding this issue is the fact that not all value-added and
My wife rescued a dog a couple of years ago from a rural North Carolina rest stop . We named her "DOTi" in honor of the Department of Transportation. It took a while for us to get into the swing of being responsible owners; sometimes the first to leave for
One of the roles my team enjoys is working with SAS customers on performance issues along with testing SAS software on selected hardware configurations. We also work closely with other groups within SAS who work with SAS partners to test the latest and greatest features. My team then takes what
March is National Nutrition Month! This year's theme, "Eat Right, Your Way, Every Day," encourages personalized healthy eating choices. All of us are different and, therefore, have unique food preferences that have been influenced by friends and family, lifestyle, culture, health status, and ethnic and religious traditions. None of us
This post is another in my series about creating apps with SAS Integration Technologies, a topic that I'm preparing for SAS Global Forum 2013. In this article, I'll describe how to use Windows PowerShell to connect to a remote SAS Workspace, run a SAS program, and retrieve the results. This
Argh! I've just spilled coffee on output that shows the least squares coefficients for a regression model that I was investigating. Now the parameter estimate for the intercept is completely obscured, although I can still see the parameter estimates for the coefficients of the continuous explanatory variable. What can I
In my previous post, I began a discussion of lists by explaining that big problems can be solved by breaking the problem into smaller pieces. The solutions to those smaller problems can then be used in combination to solve other problems. In this post, I will talk about formatting and
Last week there was an interesting question posted to the "Stat-Math Statistics" group on LinkedIn. The original question was a little confusing, so I'll state it in a more general form: A population is normally distributed with a known mean and standard deviation. A sample of size N is drawn
