BinaryDataSymmetricCorrelationMatrix: rm unnecessary comments
kNN online update cleanup
modify ItemRecommendersTest, RatingPredictorsTest
add 2 more Tweets
fix cross-validation for rating_based_ranking
Changes: add release date
add doc describing API changes
fix #400: SlopeOne can return bigger predicted ratings than MaxRating
item_recommendation: add usage information for --(load|save)-(user|item)-mapping=FILE
remove CLiMF, prepare WRMF for incremental updates, move some incremental update code from BPRMF to MF
add incremental training support to WRMF
update Changes file
WRMF: move constant factors out of the sum
speed up WRMF
rating_prediction: add --test-no-ratings option for test files w/o rating columns (suggested by Michael Ekstrand, less verbose output on invalid cmd line argument combinations
API change document
KNN: rename correlation to correlation_matrix
rating KNN: rename correlation to correlation_matrix
rm AttrToFactor namespace and BPRMF_Mapping; rename correlation to correlation_matrix
remove ItemAttributeSVM and LIBSVM dependency