NOTE: BY Variables in Titles (Golden Oldies)

Whilst the capabilities of SAS software increase markedly from release to release, the core capabilities remain the same. And that means that many hints and tips from years gone by are still valid today. Starting today I’m running a mini-series of tips…

What’s the difference between 0 and -0?

My daughter’s math lessons this year have included the concept of negative numbers (that is, numbers less than zero, not numbers that have a bad attitude). She has used number lines such as this one to help her while she completes her homework: Notice that in this number line, there […]

Testing – Peer Reviews

In my recent series on testing I concentrated on dynamic testing, i.e. executing some or all of your code to see if it works. The other type of testing is static testing. This was featured briefly in my “SAS Software Development With The V-Model” paper…