Sorting is a fundamental operation in statistical programming, and most SAS programmers are familiar with PROC SORT for sorting data sets. But did you know that you can also sort rows of a SAS/IML matrix according to the value of one or more columns? This post shows how. Sorting a
In my spare time, I enjoy browsing the StackOverflow discussion forum to see what questions people are asking about SAS, SAS/IML, and statistics. Last week, a statistics student asked for help with the following homework problem: I need to generate a one-dimensional random walk in which the step length and
I met Phil Holland nearly three years ago at my first SAS Global Forum. Actually, he and I met on Twitter before the conference. Phil, as @hollandnumerics, talked with me many times on Twitter about his plans for attending SAS Global Forum. He and I were excited about SAS'; plans
