This documentation is example-oriented. Read through this Introduction and the Simple Examples to get started; read through the Tips once you have played with the GB functions.
Here are the two keys to using GB:
If you don't have access to the SPH network, the two files are here: GdBk.S GdBkUtil.S
The grades are stored in a Splus data frame with extra attributes. You don't directly access this data frame; it's stored on Andrew, hence the need to klog.
If there's one other key to GB it's that until you see a message like
About this Document
Use the links along the top to move around from section to section; Use the links in the left column to move within a page.
GB was orginally developed at Carnegie Mellon Statistics department, and subsequently modified to be used at the University of Michigan; some of the documentation may make references to aspects of either computing environment.