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Xiangrui Meng authored
This PR changes lambda scaling from number of users/items to number of explicit ratings. The latter is the behavior in 1.2. Slight refactor of NormalEquation to make it independent of ALS models. srowen codexiang Author: Xiangrui Meng <meng@databricks.com> Closes #5314 from mengxr/SPARK-6642 and squashes the following commits: dc655a1 [Xiangrui Meng] relax python tests f410df2 [Xiangrui Meng] use 1.2 scaling and remove addImplicit from NormalEquation (cherry picked from commit ccafd757) Signed-off-by:
Xiangrui Meng <meng@databricks.com> Conflicts: mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
Xiangrui Meng authoredThis PR changes lambda scaling from number of users/items to number of explicit ratings. The latter is the behavior in 1.2. Slight refactor of NormalEquation to make it independent of ALS models. srowen codexiang Author: Xiangrui Meng <meng@databricks.com> Closes #5314 from mengxr/SPARK-6642 and squashes the following commits: dc655a1 [Xiangrui Meng] relax python tests f410df2 [Xiangrui Meng] use 1.2 scaling and remove addImplicit from NormalEquation (cherry picked from commit ccafd757) Signed-off-by:
Xiangrui Meng <meng@databricks.com> Conflicts: mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala