R语言处理Hadoop-Hive大数据-神经网络及Oracle-数据挖掘培训教材.pptx

Oracle R Hadoop Hive Bigdata Solution Training; The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions.The development, release, and timing of any features or functionality described for Oracle’s products remain at the sole discretion of Oracle.;Topics;?2013 Oracle – All Rights Reserved;What is Hadoop?;What is Hadoop?;Classic Hadoop-type problems;Type of analysis using Hadoop;Hadoop Publicized Examples;Hadoop for data-bound problems, examples;Key features of Hadoop;MapReduce;Map Reduce Example – Graphically Speaking;Text analysis example;Map Reduce Example – Graphically Speaking;;Mapper and reducer code in ORCH for “Word Count”;;Oracle R Distribution;Exploring Available Data;Load data in HDFS;hadoop.exec() concepts;ORCH Dry Run;Example: Test script in “dry run” modeTake the average arrival delay for all flights to SFO;Example: Test script on Hadoop Cluster – one changeTake the average arrival delay for all flights to SFO;Executing Hadoop Job in Dry-Run Mode;Executing Hadoop Job on Hadoop Cluster;Example – scriptTake the average distance for flights to SFO by airline;ORCH Details;Metadata file __ORCHMETA__ structure;Metadata file contents;ORCH-required HDFS Metadata Structure;__ORCHMETA__ structure;Working with Hadoop using ORCH framework;ORCH Job Configuration;;ORCH Analytic Functions;orch.lmMotivation;orch.lmInterface;orch.lmExamples;orch.lmExample;orch.neuralCharacteristics;orch.neuralInterface;orch.neural - Example;orch.neural - Results;orch.neural Performance;orch.neural Performance;;Hadoop AnalyticsAvailable demo programs using ORCH;Example : One Dimension Logistic Regression by Gradient Descent;;What is Hive?;Motivation for ORCHhive;Supported R Functions;Example using OREhive;;;;;?2013 Oracle – All Rights Reserved;