| org.apache.hadoop.hive.ql.io.orc | 
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| org.apache.spark | 
 Core Spark classes in Scala. 
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| org.apache.spark.api.java | 
 Spark Java programming APIs. 
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| org.apache.spark.api.java.function | 
 Set of interfaces to represent functions in Spark's Java API. 
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| org.apache.spark.api.r | 
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| org.apache.spark.broadcast | 
 Spark's broadcast variables, used to broadcast immutable datasets to all nodes. 
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| org.apache.spark.graphx | 
 ALPHA COMPONENT
 GraphX is a graph processing framework built on top of Spark. 
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| org.apache.spark.graphx.impl | 
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| org.apache.spark.graphx.lib | 
 Various analytics functions for graphs. 
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| org.apache.spark.graphx.util | 
 Collections of utilities used by graphx. 
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| org.apache.spark.input | 
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| org.apache.spark.internal.config | 
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| org.apache.spark.io | 
 IO codecs used for compression. 
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| org.apache.spark.launcher | 
 Library for launching Spark applications. 
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| org.apache.spark.mapred | 
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| org.apache.spark.ml | 
 Spark ML is a component that adds a new set of machine learning APIs to let users quickly
 assemble and configure practical machine learning pipelines. 
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| org.apache.spark.ml.ann | 
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| org.apache.spark.ml.attribute | 
 ML attributes 
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| org.apache.spark.ml.classification | 
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| org.apache.spark.ml.clustering | 
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| org.apache.spark.ml.evaluation | 
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| org.apache.spark.ml.feature | 
 Feature transformers
 The `ml.feature` package provides common feature transformers that help convert raw data or
 features into more suitable forms for model fitting. 
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| org.apache.spark.ml.impl | 
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| org.apache.spark.ml.linalg | 
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| org.apache.spark.ml.param | 
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| org.apache.spark.ml.param.shared | 
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| org.apache.spark.ml.r | 
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| org.apache.spark.ml.recommendation | 
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| org.apache.spark.ml.regression | 
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| org.apache.spark.ml.source.libsvm | 
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| org.apache.spark.ml.stat.distribution | 
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| org.apache.spark.ml.tree | 
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| org.apache.spark.ml.tree.impl | 
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| org.apache.spark.ml.tuning | 
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| org.apache.spark.ml.util | 
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| org.apache.spark.mllib.classification | 
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| org.apache.spark.mllib.classification.impl | 
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| org.apache.spark.mllib.clustering | 
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| org.apache.spark.mllib.evaluation | 
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| org.apache.spark.mllib.evaluation.binary | 
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| org.apache.spark.mllib.feature | 
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| org.apache.spark.mllib.fpm | 
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| org.apache.spark.mllib.linalg | 
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| org.apache.spark.mllib.linalg.distributed | 
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| org.apache.spark.mllib.optimization | 
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| org.apache.spark.mllib.pmml | 
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| org.apache.spark.mllib.pmml.export | 
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| org.apache.spark.mllib.random | 
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| org.apache.spark.mllib.rdd | 
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| org.apache.spark.mllib.recommendation | 
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| org.apache.spark.mllib.regression | 
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| org.apache.spark.mllib.regression.impl | 
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| org.apache.spark.mllib.stat | 
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| org.apache.spark.mllib.stat.correlation | 
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| org.apache.spark.mllib.stat.distribution | 
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| org.apache.spark.mllib.stat.test | 
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| org.apache.spark.mllib.tree | 
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| org.apache.spark.mllib.tree.configuration | 
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| org.apache.spark.mllib.tree.impurity | 
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| org.apache.spark.mllib.tree.loss | 
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| org.apache.spark.mllib.tree.model | 
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| org.apache.spark.mllib.util | 
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| org.apache.spark.partial | 
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| org.apache.spark.rdd | 
 Provides implementation's of various RDDs. 
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| org.apache.spark.rpc.netty | 
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| org.apache.spark.scheduler | 
 Spark's DAG scheduler. 
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| org.apache.spark.scheduler.cluster | 
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| org.apache.spark.scheduler.cluster.mesos | 
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| org.apache.spark.scheduler.local | 
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| org.apache.spark.security | 
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| org.apache.spark.serializer | 
 Pluggable serializers for RDD and shuffle data. 
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| org.apache.spark.sql | 
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| org.apache.spark.sql.api.java | 
 Allows the execution of relational queries, including those expressed in SQL using Spark. 
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| org.apache.spark.sql.api.r | 
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| org.apache.spark.sql.catalog | 
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| org.apache.spark.sql.expressions | 
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| org.apache.spark.sql.expressions.javalang | 
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| org.apache.spark.sql.expressions.scalalang | 
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| org.apache.spark.sql.hive | 
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| org.apache.spark.sql.hive.execution | 
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| org.apache.spark.sql.hive.orc | 
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| org.apache.spark.sql.internal | 
 All classes in this package are considered an internal API to Spark and
 are subject to change between minor releases. 
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| org.apache.spark.sql.jdbc | 
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| org.apache.spark.sql.sources | 
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| org.apache.spark.sql.types | 
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| org.apache.spark.sql.util | 
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| org.apache.spark.status.api.v1 | 
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| org.apache.spark.storage | 
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| org.apache.spark.storage.memory | 
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| org.apache.spark.streaming | 
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| org.apache.spark.streaming.api.java | 
 Java APIs for spark streaming. 
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| org.apache.spark.streaming.dstream | 
 Various implementations of DStreams. 
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| org.apache.spark.streaming.flume | 
 Spark streaming receiver for Flume. 
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| org.apache.spark.streaming.kafka | 
 Kafka receiver for spark streaming. 
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| org.apache.spark.streaming.kinesis | 
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| org.apache.spark.streaming.receiver | 
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| org.apache.spark.streaming.scheduler | 
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| org.apache.spark.streaming.ui | 
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| org.apache.spark.streaming.util | 
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| org.apache.spark.ui | 
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| org.apache.spark.ui.env | 
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| org.apache.spark.ui.exec | 
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| org.apache.spark.ui.jobs | 
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| org.apache.spark.ui.storage | 
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| org.apache.spark.util | 
 Spark utilities. 
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| org.apache.spark.util.io | 
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| org.apache.spark.util.random | 
 Utilities for random number generation. 
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| org.apache.spark.util.sketch | 
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