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[MAHOUT-1883] Create a type if IndexedDataset that filters unneeded data for CCO - Mahout - [issue]
...The collaborative filtering CCO algo uses drms for each "indicator" type. The input must have the same set of user-id and so the row rank for all input matrices must be the same.In the past ...    Author: Pat Ferrel , 2018-06-04, 14:45
[MAHOUT-1788] spark-itemsimilarity integration test script cleanup - Mahout - [issue]
...binary release does not contain data for itemsimilarity tests, neith binary nor source versions will run on a cluster unless data is hand copied to hdfs.Clean this up so it copies data if ne...    Author: Pat Ferrel , 2016-12-19, 06:03
[MAHOUT-1878] implement quartile type thresholds for indicator matrix downsampling - Mahout - [issue]
... half of the above, see discussion of downsampling by fraction of matrix retained, perhaps using t-digest....    Author: Pat Ferrel , 2018-03-03, 21:29
[MAHOUT-1562] Publish Scaladocs - Mahout - [issue]
...The poms that relate to Scala have the maven-scala-plugin, which will generate Scaladocs if you navigate to the scala subproject and runmvn scala:docThey will appear in target/site/scaladocs...    Author: Pat Ferrel , 2015-04-13, 09:57
[MAHOUT-1568] Build an I/O model that can replace sequence files for import/export - Mahout - [issue]
...Implement mechanisms to read and write data from/to flexible stores. These will support tuples streams and drms but with extensions that allow keeping user defined values for IDs. The mechan...    Author: Pat Ferrel , 2015-04-13, 09:57
[MAHOUT-1569] Create CLI driver that supports Spark jobs - Mahout - [issue]
...Create a design for CLI drivers, including an option parser, base MahoutDriver for Spark, that uses a text file I/O mechanism MAHOUT-1568A version of the proposal is implemented and running ...    Author: Pat Ferrel , 2015-04-13, 09:56
[MAHOUT-1604] Create a RowSimilarity for Spark - Mahout - [issue]
...Using CooccurrenceAnalysis.cooccurrence create a driver that reads a text DRM or two and produces LLR similarity/cross-similarity matrices.This will produce the same results as ItemSimilarit...    Author: Pat Ferrel , 2015-04-13, 09:57
[MAHOUT-1352] Option to change RecommenderJob output format - Mahout - [issue]
...Can we add an option to output a SequenceFile? I hard coded it to allow the Solr-recommender to work with the output file but it is probably best put in an option.      //extr...    Author: Pat Ferrel , 2014-02-03, 07:57
[MAHOUT-1353] Visibility of preparePreferenceMatrix directory location - Mahout - [issue]
...The Solr-recommender needs to find where the RecommenderJob is putting it’s output. Mahout 0.8 RecommenderJob code was:   public static final String DEFAULT_PREPARE_DIR = "prepareP...    Author: Pat Ferrel , 2014-02-03, 07:57
[MAHOUT-1410] clusteredPoints do not contain a vector id - Mahout - [issue]
...When clustering non-named vectors there are no vector ids in clusteredPoints so the other values there, cluster id, vector values, distance-squared, pdf, cannot be tied to any known vector....    Author: Pat Ferrel , 2014-02-03, 07:57