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Pyspark-collaborative Filtration

Reference Address: 1, http://spark.apache.org/docs/latest/ml-guide.html 2, https://github.com/apache/spark/tree/v2.2.0 3, http://spark.apache.org/docs/latest/ml-collaborative-filtering.html From pyspark.ml.evaluation import Regressionevaluator to pyspark.ml.recommendation import ALS from pyspark.sql import R ow lines = Spark.read.text ("Data/mllib/als/sample_movielens_ratings.txt"). Rdd parts = Lines.map (lambda row:

Spark release 1.2.0-support for Netty Nio/sql enhancements

Spark version 1.2.0Spark 1. 2.0is ain the1.XLineof thea third version. This versionbrought aSparkthe core enginePerformance andUsability Improvements,an important MLlib NewAPI, the extension of PythonMLSupport,a completely high-availabilitySparkFlowMode,and so on. GraphXhave seenMain performance andAPIimproved, hasfrom the alpha componentGraduation. Spark1.2 representing more than 60 organizations. 172contributing PeopletheaPatches's work. Downl

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