make file paths more robust
use slightly modified Note interface
add functionality for xml format
script to convert format from i2b2 to xml and back
temporarily stub out format.py to hook up with click
beginning to add cli support for xml in train/predict/evaluate (not done)
Folding Kevin's scikit implementation into two-pass
Making paths more stable
Error check. Cannot train on empty set
Cleaning up bulky code
Cleaning up model.py
cleaning up for readability and style
restructuring for cleaner pipeline in model.py
experiment for where to vectorize features (moved to model.py
Added argument to specify output format (not used yet)
Changed data accessor methods for model.py support
Restructured train
Moved vectorizers and classifiers into model.py
(minor) adjusted spacing
minor adjustments for now (but large overhaul is coming)