Xiaochang Wu
Xiaochang Wu
Setting spark.executor.extraClassPath=./oap-mllib-1.2.0.jar doesn't work, will cause incompatible class. Need to change to absolut path spark.executor.extraClassPath=/upload/oap-mllib-1.2.0.jar Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 0 in stage...
Spark MLlib's Linear Regression interface default param standardization=True, need to add additional z-score normalization with oneDAL.
Should remove this restriction for oneDAL Java API.
Current ALS data input is using row index and column index to index rating in rating matrix. In real use cases, those row index and column index are usually using...