3154 search results for "Big Data"

R For Beginners: Basic Graphics Code to Produce Informative Graphs, Part Two, Working With Big Data

January 16, 2017
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R For Beginners:  Basic Graphics Code to Produce Informative Graphs, Part Two, Working With Big Data

R for beginners: Some basic graphics code to produce informative graphs, part two, working with big data A tutorial by D. M. Wiig In part one of this tutorial I discussed the use of R code to produce 3d scatterplots. This is a useful way to produce visual results of multi- variate linear regression models. … Continue...

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Free online course: Analyzing big data with Microsoft R Server

November 29, 2016
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If you're already familiar with R, but struggling with out-of-memory or performance problems when attempting to analyze large data sets, you might want to check out this new EdX course, Analyzing Big Data with Microsoft R Server, presented by my colleague Seth Mottaghinejad. In the course, you'll learn how to build models using the RevoScaleR package, and deploy those...

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Naive Bayes: A Generative Model and Big Data Classifier

November 2, 2016
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Installing the additional R packages in Oracle Big Data Lite VM 4.5.0

Oracle has just released version 4.5.0 of the Big Data Lite VM which, when it comes to R, still suffers from the issues we had pinpointed for the previous version 4.4.0 (and then some). The first attempt to install the additional packages fails with a ‘cannot open URL’ error: Fortunately, the warning about the proxy helps to locate the...

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Revolution R Enterprise tutorial: Free 8h interactive tutorial on Big Data Analytics

July 11, 2016
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Revolution R Enterprise tutorial: Free 8h interactive tutorial on Big Data Analytics

In need for better ways to handle large data sets? Interested in manipulating, visualizing, and analysing large datasets with RevoScaleR? Then make sure to have a look at this free hands-on Revolution R Enterprise tutorial on Big Data Analytics by Revo...

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Big Data Insights: Tale of IT Investments and Returns

July 11, 2016
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Big Data Insights: Tale of IT Investments and Returns

Once again, this post brings forth to the audience, a predictive analytical insight from huge volumes of information technology security data belonging to two fortune 500 companies (more or less having similar characteristics). Going to a quick backgro...

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Installing the additional R packages in Oracle Big Data Lite VM 4.4.0

February 23, 2016
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In the just-released version 4.4.0 of Oracle Big Data Lite VM, as in the previous one (4.3.0.1), there is a rather large number of additional R packages to be installed by the provided script install_additional_packages.sh, i.e. 28 packages without counting their dependencies (the respective number in version 4.2.1 was only 10). Unfortunately, what has also changed is the form...

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The Gender of Big Data

February 17, 2016
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The Gender of Big Data

When I grow up I want to be a dancer (Carmen, my beautiful daughter) The presence of women in positions of responsibility inside Big Data companies is quite far of parity: while approximately 5o% of world population are women, only 7% of CEOs of Top 100 Big Data Companies are. Like it or not, technology … Continue reading...

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Querying Big Data SQL tables with Oracle R Enterprise

February 15, 2016
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Querying Big Data SQL tables with Oracle R Enterprise

I was wondering recently if I could use Oracle R Enterprise (ORE) to query Big Data SQL tables (i.e. Oracle Database external tables based on HDFS or Hive data), since I have never seen such a combination mentioned in the relevant Oracle documentation and white papers. I am happy to announce that the answer is an unconditional yes. In...

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Big data in ranching and animal husbandry

January 20, 2016
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Big data in ranching and animal husbandry

Another big part of the food supply comes from ranches and farms that raise and slaughter various livestock. While ranching …Continue reading →

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