389 search results for "animation"

An Animation of the t Distribution as a Mixture of Normals

December 7, 2013
By
An Animation of the t Distribution as a Mixture of Normals

You’ve probably heard about the t distribution. One good use for this distribution is as an alternative to the normal distribution that is more robust against outliers. But where does the t distribution come from? One intuitive characterization of the t is as a mixture of normal distributions. More specifically, as a mixture of an infinite number of...

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Strategic Zombie Simulation – Animation

May 17, 2013
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Strategic Zombie Simulation – Animation

# Escape Zombie Land! # This is a simulation an escape from a hot zombie zone. It freezes and gives an error if you get get killed so you had best not. You attempt to navigate the zone by constructing waypoints. # This is not a very clean s...

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Animations Understood

May 11, 2013
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Animations Understood

When I first saw a graphic made from Yihui’s animation package (Xie, 2013) I was amazed at the magic and thought “I could never do that”. Passage of time… One night I found myself bored and as usual avoiding work. … Continue reading →

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Animation, from R to LaTeX

May 3, 2013
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Animation, from R to LaTeX

Just a short post, to share some codes used to generate animated graphs, with R. Assume that we would like to illustrate the law of large number, and the convergence of the average value from binomial sample. We can generate samples  using > n=200 > k=1000 > set.seed(1) > X=matrix(sample(0:1,size=n*k,replace=TRUE),n,k) Each row  will be a trajectory of heads and...

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2013-1 TimingManager: Animation Sequences in JavaScript

January 8, 2013
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The TimingManager library is a tool written in JavaScript used to apply animations in a web browser. It is not concerned with creation or modification of animation timing information, and delegates those tasks to R via the animaker package. Primarily … Continue reading →

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R/iGraph Holiday network animation and How-to tips

December 17, 2012
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R/iGraph Holiday network animation and How-to tips

The animation embedded in this post was done using R and the iGraph package and was, frankly, a great deal more work than I thought it would be when I started. What kept me going was a desire to express a wish for the New Year while also experimenting with some functionality that might be

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2D MODPATH particle tracking animations with R and ImageMagick

December 14, 2012
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2D MODPATH particle tracking animations with R and ImageMagick

The PMPATH particle tracking output, with a file format similar to the pathline output mode of MODPATH (see above), can be transformed easily into a GIF animation using R and ImageMagick (see below for a simple example).First of all, you...

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2012-11 Generating Animation Sequence Descriptions

November 29, 2012
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This report describes the animaker package for generating descriptions of animation sequences. An animation sequence is composed by combining atomic animations in series to create sequence animations or in parallel to create track animations. Functions are provided for manipulating animation … Continue reading →

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How to: network animation with R and the iGraph package & Meaning in data viz

November 27, 2012
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How to: network animation with R and the iGraph package & Meaning in data viz

This article lists the steps I take to create a network animation in R, provides some example source code that you can copy and modify for your own work, and starts a discussion about programming and visualization as an interpretive approach in research. Before I start, take a look at this network animation created with

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3-D animation of the changing Antarctic ice sheet

September 27, 2012
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Last month we shared an visualization showing the changing extent of Arctic sea-ice. This visualization by the multinational Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) switches the view to the Southern pole and takes the visualization to a whole new level, by animating it in 3-D: The amount of sea ice in the Southern Ocean surrounding...

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