Although I currently work as a statistician, my original training was in mathematics. In many mathematical fields there is a result that is so profound that it earns the name "The Fundamental Theorem of [Topic Area]." A fundamental theorem is a deep (often surprising) result that connects two or more
It's true: you can use the Microsoft Visual Studio Express tools to build custom tasks for SAS Enterprise Guide and the SAS Add-In for Microsoft Office. And I said as much in my book, Custom Tasks for SAS Enterprise Guide Using Microsoft .NET. I even provided step-by-step instructions for how
One of my favorite new features of SAS/IML 12.1 enables you to define functions that contain default values for parameters. This is extremely useful when you want to write a function that has optional arguments. Example: Centering a data vector It is simple to specify a SAS/IML module with a
