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[SPARK-21166] Automated ML persistence - Spark - [issue]
...This JIRA is for discussing the possibility of automating ML persistence.  Currently, custom save/load methods are written for every Model.  However, we could design a mixin which ...
http://issues.apache.org/jira/browse/SPARK-21166    Author: Joseph K. Bradley , 2019-10-08, 05:43
[SPARK-25397] SparkSession.conf fails when given default value with Python 3 - Spark - [issue]
...Spark 2.3.1 has a Python 3 incompatibility when requesting a Conf value from SparkSession when you give non-string default values.  Reproduce via SparkSession call:spark.conf.get("myCon...
http://issues.apache.org/jira/browse/SPARK-25397    Author: Joseph K. Bradley , 2019-10-08, 05:43
[SPARK-18082] Locality Sensitive Hashing (LSH) - SignRandomProjection - Spark - [issue]
...See linked JIRA for original LSH for details...
http://issues.apache.org/jira/browse/SPARK-18082    Author: Joseph K. Bradley , 2019-10-08, 05:43
[SPARK-7424] spark.ml classification, regression abstractions should add metadata to output column - Spark - [issue]
...Update ClassificationModel, ProbabilisticClassificationModel prediction to include numClasses in output column metadata.Update RegressionModel to specify output column metadata as well....
http://issues.apache.org/jira/browse/SPARK-7424    Author: Joseph K. Bradley , 2019-10-08, 05:43
[SPARK-10817] ML abstraction umbrella - Spark - [issue]
...This is an umbrella for discussing and creating ML abstractions.  This was originally handled under SPARK-1856 and SPARK-3702, under which we created the Pipelines API and some Develope...
http://issues.apache.org/jira/browse/SPARK-10817    Author: Joseph K. Bradley , 2019-10-08, 05:43
[SPARK-23742] Filter out redundant AssociationRules - Spark - [issue]
...AssociationRules can generate redundant rules such as: (A) => C (A,B) => C  (redundant)It should optionally filter out redundant rules.  It'd be nice to have it optional (but...
http://issues.apache.org/jira/browse/SPARK-23742    Author: Joseph K. Bradley , 2019-10-08, 05:42
[SPARK-3727] Trees and ensembles: More prediction functionality - Spark - [issue]
...DecisionTree and RandomForest currently predict the most likely label for classification and the mean for regression.  Other info about predictions would be useful.For classification: e...
http://issues.apache.org/jira/browse/SPARK-3727    Author: Joseph K. Bradley , 2019-10-08, 05:42
[SPARK-23740] Add FPGrowth Param for filtering out very common items - Spark - [issue]
...It would be handy to have a Param in FPGrowth for filtering out very common items.  This is from a use case where the dataset had items appearing in 99.9%+ of the rows.  These comm...
http://issues.apache.org/jira/browse/SPARK-23740    Author: Joseph K. Bradley , 2019-10-08, 05:41
[SPARK-4285] Transpose RDD[Vector] to column store for ML - Spark - [issue]
...For certain ML algorithms, a column store is more efficient than a row store (which is currently used everywhere).  E.g., deep decision trees can be faster to train when partitioning by...
http://issues.apache.org/jira/browse/SPARK-4285    Author: Joseph K. Bradley , 2019-10-08, 05:41
[SPARK-5572] LDA improvement listing - Spark - [issue]
...This is an umbrella JIRA for listing planned improvements to Latent Dirichlet Allocation (LDA)....
http://issues.apache.org/jira/browse/SPARK-5572    Author: Joseph K. Bradley , 2019-10-08, 05:41