SPARK-4111 [MLlib] add regression metrics#2978

Closed

yanboliang wants to merge 6 commits intoapache:masterfrom

yanboliang:regression_metrics

Commits on Oct 28, 2014

add regression metrics
liangyanbo
committed
rename r2_score() and remove unused column
liangyanbo
committed

Commits on Oct 29, 2014

rename parameter and function names, delete unused columns, add reference
Yanbo Liang
committed
simplify code for keeping style
Yanbo Liang
committed

Commits on Oct 30, 2014

rename and keep code style
Yanbo Liang
committed
more clearly annotation
Yanbo Liang
committed