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The American Association of State Highway Transportation Officials recently released a top 10 list of transportation issues that will be “talked, written or tweeted and legislated about” in 2012. As expected, funding constraints and Congressional action on reauthorization appear on the list but the group also notes that natural disaster
Unlike prior versions of SAS OLAP technology, 9.2 provides more options for maintaining and refreshing OLAP cubes. With this comes some discussion about what each one does alone, and how pairing these techniques really provides SAS OLAP Server Administrators and cube developers a cornucopia of OLAP options. PROC OLAPOPERATE Remember
Here is the second installment of sample graphs from the SG Procedures book - The Adverse Event Timeline. This is a graph commonly used in patient profiles for clinical trials where we track the progress of a patient through a hospitalization event, tracking the dates and severity of the adverse events. The
A variance-covariance matrix expresses linear relationships between variables. Given the covariances between variables, did you know that you can write down an invertible linear transformation that "uncorrelates" the variables? Conversely, you can transform a set of uncorrelated variables into variables with given covariances. The transformation that works this magic is
Recently a user posted a question on the SAS/GRAPH and ODS Graphics Communities page on how to plot the normal density curves for two classification levels in the same graph. We have often seen examples of a distribution plot of one variable using a histogram with normal and kernel density curves. Here is a simple example: Code Snippet:
Sara started it, and I like the idea - the Unofficial Official Guide to SAS Global Forum. My contribution to this unofficial guide is “The Agenda Builder and why it matters to me." In case you're wondering, I use it to:
My colleague, Steve Serrao, just published a blog post on the proliferation of varied law enforcement approaches and their related phraseologies. After reading, I concur – hence, this blog’s title. I am not a huge fan of the term “predictive policing”. While others may love it and live it, and
We call it the "metadata profile", but really it's like a telephone number that connects you to your SAS environment. Just as a telephone number has component parts (country code, area code, exchange), the metadata profile contains information that allow you to "dial in" to your SAS servers. This information
In December of last year, the book "Statistical Graphics Procedures by Example" co-authored by Dan Heath and I was published. On the back cover, it proclaims "Free Code on the Web". Now, who can resist such an offer? Since most of the examples in the book have very short syntax,
Everyone is looking for a bargain, especially those traveling with their families to Orlando for SAS Global Forum. Orlando is the land of theme parks and attractions, many with hefty ticket prices. Since I am heading to Orlando in April myself, I have been doing quite a lot of research.
Recently, I had a discussion with a user concerning the volume of imagemap data generated for an interactive, web-based visual contain a large number of graphs. The large amount of imagemap data was causing problems with the current version of their web browser. The graphs consisted of either bar charts
So many of us struggle with this mountain. In fact, 68.27% of us get within sight of reaching the summit (while 95.47% of us are at least on a perceivable slope). We run, walk, crawl and sometimes slide our way uphill (from one direction or the other) until we finally
What is surface complexation? Everyday I have to look something up on Google or in the dictionary. For example, do you know what a Cthulhu is? I had to search for that term after I tweeted that I thought a SAS surface plot graph was beautiful. Mike Nemecek from SAS
Here are a couple of bar charts showing the city mileage of cars by Type and Origin using the SGPLOT procedure from the sashelp.cars dataset. title 'Vehicle Mileage by Type'; proc sgplot data=cars; format mpg_city 4.1; vbar type / response=mpg_city stat=mean datalabel; xaxis display=(nolabel); run; title 'Counts by Country'; proc sgplot
Note: as this is a popular topic, I've added a few notes with minor updates, including a link to a popular how-to tutorial video. In case you missed it, the first maintenance release for SAS 9.3 was recently released. Because we're all friends here, you may call it "SAS 9.3M1"