Robert Allison posted a map that shows the average commute times for major US cities, along with the proportion of the commute that is attributed to traffic jams and other congestion. The data are from a CEOs for Cities report (Driven Apart, 2010, p. 45). Robert use SAS/GRAPH software to
Ah! The joys of sets! It is easy to test whether two vectors are equal in SAS/IML software. It is only slightly more challenging to test whether two sets are equal. Recall that A and B are equal as sets if they contain the same elements. Order does not matter.
As summer comes to an end, I find myself getting excited about some of the regional user group conferences that take place every fall. This year, I’ll be presenting a paper at WUSS (Western Users of SAS Software) in Long Beach, CA, in early September. About one week later, I’m
