881 search results for "sql"

Oracle’s Strategy for Advanced Analytics

April 15, 2014
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At Oracle our goal is to enable you to get timely insight from all of your data. We continuously enhance Oracle Database to allow workloads that have traditionally required extracting data from the database to run in-place. We do this to narrow the ga...

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The ins and outs of interacting with web APIs

April 14, 2014
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We've received a number of questions from our users about dealing with the finer details of data sources on the web. Whether you're reading data from local storage such as a csv file, a .Rdata store, or possibly a proprietary file format, you've most likely run into some issues in the past. Common problems include passing incorrect paths, files...

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BARUG talks highlight R’s diverse applications

April 10, 2014
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BARUG talks highlight R’s diverse applications

by Joseph Rickert The seven lightning talks presented to the Bay Area useR Group on Tuesday night were not only really interesting (in some cases downright entertaining) in their own right, but they also illustrated the diversity of R applications, and the extent to which R has become embedded in the corporate world. Two presentations with a whimsical touch...

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Functional programming in R

Functional programming in R

Functional programming in R This post is based on a talk I gave at the Manchester R User Group on functional programming in R on May 2nd 2013. The original slides can be found here This post is about functional programming, why it is at the heart of the R language and how it can hopefully help you...

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Seven quick facts about R

April 2, 2014
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I've been spending the week at the Gartner Business Intelligence and Analytics Summit in Las Vegas, and R has been quite prominent here. Of course, R got namechecked several times on the panel about the Gartner Magic Quadrant for Advanced Analytics, and several of the regular talks mentioned R as well. I gave a short presentation on R and...

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Visualising Pandas DataFrames With IPythonBlocks – Proof of Concept

March 26, 2014
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Visualising Pandas DataFrames With IPythonBlocks – Proof of Concept

A few weeks ago I came across IPythonBlocks, a Python library developed to support the teaching of Python programming. The library provides an HTML grid that can be manipulated using simple programming constructs, presenting the outcome of the operations in a visually meaningful way. As part of a new third level OU course we’re putting

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R 101: Summarizing Data

March 25, 2014
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R 101: Summarizing Data

When working with large amounts of data that is structured in a tabular format, a common operation is to summarize that data in different ways using specific variables. In Microsoft Excel, pivot tables are a nice feature that is used for this purpose. While not as “efficient” in relation to Excel pivot tables, R also

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Interactive Discovery of Research Affiliates JoPM Paper

March 25, 2014
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In my previous post More on Rebalancing | With Data from Research Affiliates , I did some really basic visualizations, but I thought this data would be great for some more powerful interactive discovery using an interesting javascript SQL-like query l...

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Learn to Manage Data at useR! 2014 or Online April 25

March 18, 2014
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Learn to Manage Data at useR! 2014 or Online April 25

Before you can analyze data, it must be in the right form. Join me on April 25th for a 4-hour webinar that shows how to perform the most commonly used data management tasks in R. We will work through hands-on examples of … Continue reading →

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analyze the national household travel survey (nhts) with r and monetdb

March 18, 2014
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if you've ever gotten stuck in traffic and started wondering what data might be available to better design the network of roads and rail, rev your engines for the national household travel survey (nhts).  dating back to the same decade as eisenhow...

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