All posts in category Programming

Tracking missing data in longitudinal samples

I’ve been working on this massive longitudinal dataset recently.  And while I have the R tables function and a variety of other tools at my disposal – I find that I constantly go back to SAS for identifying which time points are missing data for each subject.  Since this is massively longitudinal data, I tend […]

The power of doing things in Parallel

There just isn’t enough time in the day to get everything done.  And the more time that I spend on getting little things done, the less time I have for the “big picture”.  Big picture will include writing papers, chapters, and grants.  The ability to do repetitive tasks quickly and automatically is probably the most important […]