1704 search results for "tutorial"

Twitter’s REST API v1.1 with R (for Linux and Windows)

September 22, 2014
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Twitter’s REST API v1.1 with R (for Linux and Windows)

In this tutorial I am going to describe a straightforward way of how to make use of Twitter’s REST API v1.1. For that purpose I composed a little package (RTwitterAPI), so that requesting data just needs the API URL, the API parameters … Continue reading →

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H2O, Domino & Kaggle Quick-Start Guide and RUGSMAPS2

September 22, 2014
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H2O, Domino & Kaggle Quick-Start Guide and RUGSMAPS2

Following up on my previous posts about H2O Deep Learning (TTTAR1) and RUGSMAPS (TTTAR2), here is a quick update on two interesting things I have been working on: a Kaggle tutorial and a new RUGSMAPS app.Short Tutorials based on a Kaggle CompetitionFirst of all, I would like to share with...

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Dirk Eddelbuettel, the useR! 2014 Interview

September 22, 2014
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First things first, Dirk Eddelbuettel was recently named ordinary. This seems contradictory, since Dirk is a...

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Interactive Visualizations from R using rCharts

September 18, 2014
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At useR! 2014 Ramnath Vaidyanathan gave a tutorial and a presentation on one of his...

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Stay on track: Plotting GPS tracks with R

September 18, 2014
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Stay on track: Plotting GPS tracks with R

Many GPS devices and apps have the capability to track your current position via GPS. If you go walking, running, cycling, flying or driving, you can take a look at your exact route and your average speed.Some of these devices or apps also allow you to...

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Using great circles and ggplot2 to map arrival/departure of 2014 US Open Tennis Players

September 16, 2014
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Using great circles and ggplot2 to map arrival/departure of 2014 US Open Tennis Players

This was one of the few visualizations I worked on during the 2014 US Open Tennis Championships. Thanks to Alex Bresler and Aragorn Technologies for the data and opportunity to work with a great group of people. In this one, we’ll take a look at player’s countries, particularly the potential flight paths to and from New York...

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Using SQLite in R

September 16, 2014
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Using SQLite in R

Working on big data requires a clean and robust approach on storing and accessing the data. SQLite is an all inclusive server-less database system in a single file. This is very convenient for data exchange between colleagues. Here is a workflow of SQLite data accessing and data storing in R. Connect to an SQLite database Related posts:

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how to provide a variance calculation on your public-use survey data file without disclosing sampling clusters or violating respondent confidentiality

September 16, 2014
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this post and accompanying syntax would not have been possible without dan oberski.  read more, find out why.  thanks dan.dear survey administrator: someone sent you this link because you work for an organization or a government agency that c...

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Interview with Romain Francois at useR! 2014

September 15, 2014
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At the useR! 2014 conference, without a doubt one of the overriding themes was R’s...

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UVA / Charlottesville R Meetup

September 11, 2014
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UVA / Charlottesville R Meetup

TL;DR? We started an R Users group, awesome community, huge turnout at first meeting, lots of potential.---I've sat through many hours of meetings where faculty lament the fact that their trainees (and the faculty themselves!) are woefully ill-prepared...

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