add OOB improvement and set oob_score deprecated
example for oob estimates in GBRT
plot cv error as well
rm print stmt
rn: plt -> pl
fix: oob_improvement_ with trailing _
more docstrings
cosmit: use train_test_split - tuned params for nice plot
narrative documentation for oob improvement.
more tests
cosmit: better links and a note on efficiency using max_features
comments
cosmit: n -> n_samples
cosmit: rs -> random_state
more doc for OOB example
use new style str formatting
rearanged some code
rn: ACC -> Accuracy
rephrased max_features doc
moved to new pyplot import