The scan package (formerly SCDA) was designed for analysing and visualizing single-case AB data sets. These designs are commonly used for evaluating learning progress and curriculum-based measurements. Furthermore, the scan package comprises a module for generating random single and multiple-baseline datasets under a variety of circumstances for conducting Monte-Carlo studies on the power of single-case analysing techniques.
Some of the included analyzing procedures are:
Please consider that the scan package is still under development. There may be - and surely are - several bugs in the code. So be careful using it.
A draft of a book on scan can be found at:
scan is available from the rforge repository.
Install scan from within R with:
Make sure you installed all dependencies in advance.
If you encounter further problems, please feel free to write an email to: juergen.wilbertuni-potsdamde