basic impl of sgd
some notes for sgd
initialize sgdfit with function
separate out glm; add logistic regression
allow for any breeze Vector
support dynamic learn rate
remove print
change sgd impl to handle l1 regularization
remove println
SparseVector requires sorted entries
merge
refactor to remove need for reflexive calls
Merge branch 'master' into feature/sgd
Merge branch 'master' into feature/sgd
Merge branch 'master' into feature/sgd
Merge branch 'master' into feature/sgd
Merge branch 'master' into feature/sgd
Merge branch 'master' into feature/sgd
Merge branch 'master' into feature/sgd
Merge branch 'master' into feature/sgd