925 search results for "SQL"

R #1 by Wide Margin in Latest KDnuggets Poll

May 27, 2015
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R #1 by Wide Margin in Latest KDnuggets Poll

The results of the latest KDnuggets Poll on software for Analytics, Big Data and Data Mining are out, and R has moved into the #1 position by a wide margin. I’ve updated the Surveys of Use section of The Popularity of Data … Continue reading →

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First Day Highlights from the Extremely Large Databases Conference

May 21, 2015
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First Day Highlights from the Extremely Large Databases Conference

by Joseph Rickert The 8th XLDB (Extremely Large Databases) Conference open at Stanford on Tuesday with an outstanding program. This conference has been providing leadership in the "Big Data" world since its first workshop which was held in 2007. For example, the summary report for that year notes: "Both communities (industry and science) are moving towards parallel ... architectures...

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Course on using Oracle R Enterprise

Course on using Oracle R Enterprise

BNOSAC will be giving from June 08 up to June 12 a 5-day crash course on the use of R using Oracle R Enterprise. The course is given together with our Oracle Partner in Leuven, Belgium. If you are interested in attending, contact us for further details. For R users who aren't aware of this yet....

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Databases – an Ideal Application for R6?

May 20, 2015
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Over the years I have tried to simplify and streamline my access to financial historic data. All different solutions I tried (see here, for example) so far have been unsatisfactory, at least to some degree. That however changed after I started using R6. Here is an example of using the R6 class for the same The post

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Database interfaces

May 20, 2015
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Database interfaces

There are many different databases. The most familiar are row-column SQL databases like MySQL, SQLite, or PostgreSQL. Another type of database is the key-value store, which as a concept is very simple: you save a value specified by a key, and you can retrieve a value by its key. One more type is the document database, which instead of...

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infuser: a template engine for R

May 17, 2015
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Version 0.1 of infuser was just released on CRAN. infuser is a very basic templating engine. It allows you to replace parameters in character strings or text files with a given specified value. I would often include some SQL code in my R scripts so t...

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Getting started with MongoDB in R

May 14, 2015
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Getting started with MongoDB in R

The first stable version of the new mongolite package has appeared on CRAN. Mongolite builds on jsonlite to provide a simple, high-performance MongoDB client for R, which makes storing and accessing small or large data as easy as converting it ...

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Computerworld’s list of R packages for data wrangling

May 13, 2015
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Computerworld's Sharon Machlis published today a very useful list of R packages that every R user should know. The list covers packages for data import, data wrangling, data visualization and package development, but for beginning R users the biggest challenge is usually just dealing with data. To that end, I thought it was worth listing the package for data...

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streaming machine learning with RMOA: stream_in > train > predict

streaming machine learning with RMOA: stream_in > train > predict

We will be showcasing our RMOA package at the next R User conference in Aalborg. For the R users who are unfamiliar with streaming modelling and want to be ahead of the Gartner Hype cycle or want to evaluate existing streaming machine learning models, RMOA allows to build, run and evaluate streaming classification models which are built in

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Using Azure as an R data source, Part 1

May 12, 2015
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Using Azure as an R data source, Part 1

by Gregory Vandenbrouck Software Engineer at Microsoft This post is the first in a series that covers pulling data from various Windows Azure hosted storage solutions (such as MySQL, or Microsoft SQL Server) to an R client on Windows or Linux. We’ll start with a relatively simple case of pulling data from SQL Azure to an R client on...

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