1821 search results for "tutorial"

Upcoming Rcpp talks and workshops

March 27, 2014
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A number of talks about Rcpp are scheduled over the next couple of months: Our sixth internation conference R/Finance, will take place May 16 and 17, 2014, at UIC in Chicago. See the current draft agenda for details of the program---whic...

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Why use R? Five reasons.

March 27, 2014
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Why use R? Five reasons.

In this post I will go through 5 reasons: zero cost, crazy popularity, awesome power, dazzling flexibility, and mind-blowing support. I believe R is the best statistical programming language to learn. As a blogger who has contributed over 150 posts in Stata and over 100 in R I have extensive experience with both a proprietary statistical programming language...

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New Shiny website launched; Shiny 0.9 released

March 27, 2014
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New Shiny website launched; Shiny 0.9 released

We’re excited to introduce to you our new website for Shiny: shiny.rstudio.com! We’ve included articles on many Shiny-related topics, dozens of example applications, and an all-new tutorial for getting started. Whether you’re a beginner or expert at Shiny, we hope that having these resources available in one place will help you find the information you need.

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R User Group Activity for Q1 2014

March 27, 2014
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R User Group Activity for Q1 2014

by Joseph Rickert Worldwide R user group activity for the first Quarter of 2014 appears to be way up compared to previous years as the following plot shows. The plot was built by counting the meetings on Revolution Analytics R Community Calendar. R users continue to value the live, in person events and face-to-face meetings with their peers. Moreover,...

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GIS in R: Part 1

March 27, 2014
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GIS in R: Part 1

I messed around with R for years without really learning how to use it properly. I think it’s because I could always throw my hands up when the going got tough and run back and cling the skirts of Excel or JMP or Systat. I finally learned how to use R when I needed to

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Experimenting With R – Point to Point Mapping With Great Circles

March 24, 2014
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Experimenting With R – Point to Point Mapping With Great Circles

I’ve started doodling again… This time, around maps, looking for recipes that make life easier plotting lines to connect points on maps. The most attractive maps seem to use great circles to connect one point with another, these providing the shortest path between two points when you consider the Earth as a sphere. Here’s one

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ThinkToStartR package

March 23, 2014
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ThinkToStartR package

***ALPHA*** I just started to work on my new package for this blog. This R package will include the code of all my tutorials and will make it accessible with easy function calls. Install To install the ALPHA version of the package open up R and use: Usage In this first ALPHA version the package …

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Create Twitter Wordcloud with Sentiments

March 23, 2014
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Create Twitter Wordcloud with Sentiments

You can use this tutorial in the ThinkToStartR package with: ThinkToStart(“SentimentCloud”,”KEYWORD”,# of tweets,”DATUMBOX API KEY”) Hey everybody, some days ago I created a wordcloud filled with tweets of a recent german news topic. And a lot of people asked me if I have some code how I created this cloud. And so here it is. …

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R: Text Mining on Twitter #PrayForMH370 Malaysia Airlines

March 21, 2014
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R: Text Mining on Twitter #PrayForMH370 Malaysia Airlines

It's been two weeks for search and rescue operations on Malaysia Airlines Flight MH370, after it vanished from the radar on March 8, 2014. And wherever they are, we hope and pray for them.Photo from VENUS - Wall of Hope & Prayers for MH370In this p...

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Aggregating spatial points by clusters

March 21, 2014
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Aggregating spatial points by clusters

With ubiquitous collection devices (e.g. smartphones), having too much data may become an increasingly common problem for spatial analysts, even with increasingly powerful computers. This is ironic, because a few short decades ago, too little data was a primary constraint. This tutorial builds on the 'Attribute joins' section of the Creating maps in R tutorial to demonstrate how clusters can be...

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