1881 search results for "Tutorial"

Mapping academic collaborations in Evolutionary Biology

Mapping academic collaborations in Evolutionary Biology

Mapping academic collaborations in Evolutionary Biology This post is a repubication of a visualisation I did in 2011 for my (now defunct) datajujitsu.co.uk blog. It was a naive first attempt at web-scraping from an academic publishers website. It was done before I was aware of the problems surrounding access to, and text-mining of, online academic content hosted by...

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Some R Resources for GLMs

April 3, 2014
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Some R Resources for GLMs

by Joseph Rickert Generalized Linear Models have become part of the fabric of modern statistics, and logistic regression, at least, is a “go to” tool for data scientists building classification applications. The ready availability of good GLM software and the interpretability of the results logistic regression makes it a good baseline classifier. Moreover, Paul Komarek argues that, with a...

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Mapping the March 2014 California Earthquake with ggmap

April 1, 2014
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Mapping the March 2014 California Earthquake with ggmap

I had no intention to blog this, but @jayjacobs convinced me otherwise. I was curious about the recent (end of March, 2014) California earthquake “storm” and did a quick plot for “fun” and personal use using ggmap/ggplot. I used data from the Southern California Earthquake Center (that I cleaned up a bit and that you

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From Random Walks to Personalized PageRank

April 1, 2014
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From Random Walks to Personalized PageRank

In graph theory (and its applications) it is often required to model how information spreads within a given graph. This is interesting for many applications, such as attack prediction, sybil detection, and recommender systems - just to name a...

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analyze the european social survey (ess) with r

March 31, 2014
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with more than a decade of microdata aimed at gauging the political mood across european nations, the european social survey (ess) allows scientists like you to examine socio-demographic shifts among broad groups all the way down to pirate party (pirat...

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Introduction to PortfolioAnalytics

March 29, 2014
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Introduction to PortfolioAnalytics

PortfolioAnalytics Basics This is a guest post by Ross Bennett. Ross is currently enrolled in the University of Washington Master of Science in Computational Finance & Risk Management program with an expected graduation date of December 2014. He worked on the PortfolioAnalytics...

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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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