Creating tractor.graph package
Adding Graph class
Fix
Adding Freesurfer-related constants
Adding initialize function for Graph class
Adding first functions for creating graphs
Adding code to read cortical thickness data from Freesurfer
Adding a first principal graphs function
Adding pureComponents option and full correlation matrices in return value
Renaming field of Graph class to avoid a clash
Adding plot method for Graph objects
Adding function to coerce to igraph objects
Tweak in Graph constructor to avoid type problem with default argument
Various graph plotting improvements and fixes
Adding session map components for structural images
Adding sread script
Creating session root directory in the constructor, if necessary
Adding some more standard session directories, and a Freesurfer map
Fixes to sread expt
Adding function and expt to run Freesurfer on sessions