388 search results for "animation"

R News From JSM 2015

August 13, 2015
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R News From JSM 2015

by Joseph Rickert We can declare 2015 the year that R went mainstream at the JSM. There is no doubt about it, the calculations, visualizations and deep thinking of a great many of the world's statisticians are rendered or expressed in R and the JSM is with the program. In 2013 I was happy to have stumbled into a...

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Mapping Historic US Presidential Election Results

August 13, 2015
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Mapping Historic US Presidential Election Results

Today I will demonstrate how to map historic US Presidential Election results in R. If you want to skip ahead and play with a shiny app that lets you visualize this dataset, then click here. The dataset we will use comes from wikipedia’s List of United States presidential election results by state and is packaged in the choroplethr The post

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Basic MCMC and Bayesian statistics in… BASIC!

August 9, 2015
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Basic MCMC and Bayesian statistics in… BASIC!

The BASIC programming language was at one point the most widely spread programming language. Many home computers in the 80s came with BASIC (like the Commodore 64 and the Apple II), and in the 90s both DOS and Windows 95 included a copy of the QBasic IDE. QBasic was also the first programming language I encountered (I used...

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Simulating backgammon players’ Elo ratings

August 6, 2015
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Simulating backgammon players’ Elo ratings

Probabilities of winning with a given rating Backgammon clubs and on-line forums use a modified form of the Elo rating system to keep track of how well individuals have played and draw inferences about their underlying strength. The higher the rating, the stronger the player. Players with higher ratings are inferred to be stronger than those with...

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Visualizing population density

August 3, 2015
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Visualizing population density

MANHATTAN IS MORE EXTREME THAN YOU THINK IN POPULATION DENSITY Slinging numbers around all day, one adage we believe is that most surprising statistics are wrong. But here’s one that’s not: When you look at the 100 most populous counties in the USA, Manhattan (aka New York County) has about twice the population density of The post

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Rendering LaTeX Math Equations in GitHub Markdown

July 31, 2015
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Rendering LaTeX Math Equations in GitHub Markdown

The Problem: GitHub README.md won't render LaTeX I have many times wondered about getting LaTeX math to render in a README file on GitHub. Apparently, many others ( 1, 2, 3 ), have asked the same question. The common answers are: It cannot (and in some cases, shouldn't) be done. GitHub parsing is done by

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Rendering LaTeX Math Equations in GitHub Markdown

July 31, 2015
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Rendering LaTeX Math Equations in GitHub Markdown

The Problem: GitHub README.md won't render LaTeX I have many times wondered about getting LaTeX math to render in a README file on GitHub. Apparently, many others ( 1, 2, 3 ), have asked the same question. The common answers are: It cannot (and in some cases, shouldn't) be done. GitHub parsing is done by

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Doodling With 3d Animated Charts in R

July 22, 2015
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Doodling With 3d Animated Charts in R

Doodling with some Gapminder data on child mortality and GDP per capita in PPP$, I wondered whether a 3d plot of the data over the time would show different trajectories over time for different countries, perhaps showing different development pathways over time. Here are a couple of quick sketches, generated using R (this is the

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“Just the text ma’am” – Web Site Content Extraction with XSLT & R

July 9, 2015
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Sometimes you just need the salient text from a web site, often as a first step towards natural language processing (NLP) or classification. There are many ways to achieve this, but XSLT (eXtensible Stylesheet Language) was purpose-built for slicing, dicing and transforming XML (and, hence, HTML) so, it can make more sense and even be speedier use XSLT...

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flip and rotate branches in ggtree

June 30, 2015
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flip and rotate branches in ggtree

flip function is a feature request from ggtree user. It accepts a tree view and two node numbers and exchange the positions of the selected clades. ?View Code RSPLUS1 Read More: 159 Words Totally

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