v0.6.6
- odps.ml is available for machine learning
- DataFrame add
extract_kv
,to_kv
,melt
API - DataFrame add preprocess API including
min_max_scale
,std_scale
,split
,append_id
- DataFrame.describe()'s result is more readable
- DataFrame.concat on axis=0
- DataFrame's user defined function including map, apply and so on support partital function
- Bug fixes