Method to import 2011, 2012 data intelligently
Test on 2012 data
Run builtin logistic regression on 2012 data
Show both testing and training data results
Don't mean-center categorical columns
Cleaner threshold representation
Replace unknown values for logistic regression
Add command line arguments to control use of NLL
Don't show NLL graph unless use_nll == True
Merge remote-tracking branch 'upstream/master'
allow both train and test as command line input
Hacky method to add labels to the training file
Put labels in the correct order
updated xtrain_for_kevin that includes labels
Confirm that we're putting labels in the right place
Drop unnecessary prints
Fix the label assignment order
update xtrain_with_labels
remove unnecessary print
Allow testing cyclist data on decision trees as well