Publications by Sherry Lamonica
Analyzing big data with Revolution R Enterprise
This post from Sherry LaMonica is the first in a series from members of the Revolution Analytics Engineering team — ed. Do you know about the big data capabilities in the RevoScaleR package, included with every Revolution R Enterprise installation? RevoScaleR provides a framework for fast and efficient multi-core processing of large data sets...
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Big-Data PCA: 50 years of stock data
In this post, Revolution engineer Sherry LaMonica shows us how to use the RevoScaleR big-data package in Revolution R Enterprise to do principal components analysis on 50 years of stock market data — ed. Principal components analysis, or PCA, seeks to find a set of orthogonal axes such that the first axis, or first principal component, account...
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ROracle 1.1-1 Delivers Performance Improvements
The Oracle R Advanced Analytics team is happy to announce the release of the ROracle 1.1-1 package on the Comprehensive R Archive Network (CRAN). We’ve rebuilt ROracle from the ground up, working hard to fix bugs and add optimizations. The new version introduces key improvements for interfacing with Oracle Database from open-source R. S...
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Oracle R Distribution and Open Source R
Oracle provides the Oracle R Distribution, an Oracle-supported distribution of open source R. Support for Oracle R Distribution is provided to customers of the Oracle Advanced Analytics option and the Oracle Big Data Appliance. The Oracle R Distribution facilitates enterprise acceptance of R, since the lack of a major corporate sponsor has ma...
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Introduction to ORE Embedded R Script Execution
This Oracle R Enterprise (ORE) tutorial, on embedded R execution, is the third in a series to help users get started using ORE. See these links for the first tutorial on the transparency layer and second tutorial on the statistics engine. Oracle R Enterprise is a component in the Oracle Advanced Analytics Option of Oracle Database Enterprise Edi...
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Oracle R Distribution 2-13.2 Update Available
Oracle has released an update to the Oracle R Distribution, an Oracle-supported distribution of open source R. Oracle R Distribution 2-13.2 now contains the ability to dynamically link the following libraries on both Windows and Linux: The Intel Math Kernel Library (MKL) on Intel chips The AMD Core Math Library (ACML) on AMD chips To take ad...
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Oracle R Enterprise 1.1 Download Available
Oracle just released the latest update to Oracle R Enterprise, version 1.1. This release includes the Oracle R Distribution (based on open source R, version 2.13.2), an improved server installation, and much more. The key new features include: Extended Server Support: New support for Windows 32 and 64-bit server components, as well as continu...
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Introduction to Oracle R Connector for Hadoop
MapReduce, the heart of Hadoop, is a programming framework that enables massive scalability across servers using data stored in the Hadoop Distributed File System (HDFS). The Oracle R Connector for Hadoop (ORCH) provides access to a Hadoop cluster from R, enabling manipulation of HDFS-resident data and the execution of MapReduce jobs. Conceptutal...
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Data Parallelism Using Oracle R Enterprise
Modern computer processors are adequately optimized for many statistical calculations, but large data operations may require hours or days to return a result. Oracle R Enterprise (ORE), a set of R packages designed to process large data computations in Oracle Database, can run many R operations in parallel, significantly reducing processing ...
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Experience with Oracle R Enterprise in the Oracle micro-processor tools environment
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