Posts Tagged ‘ Animation ’

My Talk on Animations at useR! 2010 (NIST, Gaithersburg)

July 21, 2010
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As every useR knows, the useR! 2010 conference is being held at NIST in Gaithersburg these days. I have just finished my talk on the R package animation this afternoon. Here are my slides and R code for those who are interested: Have fun, even if you are a PhD! Related Postsalphahull: an R Package

Game of Life in R

May 5, 2010
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Before I decided to learn R in a serious way, I thought about learning Flash/Actionscript instead. Most of my work involves evolutionary models that take place over time. I need visual representations of change. It’s certainly possible to represent change and tell an evolving story with a single plot (see for example Tufte’s favorite infographic),

alphahull: an R Package for Alpha-Convex Hull

April 16, 2010
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new paper on the α-convex hull appeared in the Journal of Statistical Software today (http://www.jstatsoft.org/v34/i05/paper). The α-convex hull is an interesting problem which caught my attention long time ago but I didn’t know a solution then. R has a function chull() which can generate (indices of) the convex hull for a series of points. Now

A Demo for the Ratio Estimation in Sampling Survey (Animation)

March 24, 2010
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$\reverse \bar{Y}$

mber Watkins gave me a suggestion on the animation for the ratio estimation, and I think this is a good topic for my animation package. I’ve finished writing the initial version of the function sample.ratio() for this package, which will appear in the version 1.1-2 a couple of days later. As we know, the benefit

Happy New Year with R

December 31, 2009
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I have to admit that the previous post on Christmas is actually not much fun. Today I received another pResent from Yixuan which is more interesting: Basically the code deals with letter polygons (i.e. glyphs) and plot them with proper projections from 3D to 2D space: ## original code by Yixuan <[email protected]>, with my slight modification h.x =

Animation video of rgl in action

December 21, 2009
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Duncan Murdoch just posted a youtube video presenting an animation clip of a 3d rgl object. Duncan even went further and wrote an explanation on how he made the video: here are the steps I used: 1.  Design a shape to be displayed, and then play with the animation functions to make it change over time.  Use play3d to do

Create Animations in PDF Documents Using R

November 11, 2009
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ince animation 1.0-9, we will be able to create a PDF document with an animation embedded in it; the function is saveLatex(), and its usage is similar to saveMovie() and saveSWF(): you pass an R expression for creating animations to this function, and this expression will be evaluated in the function; the image frames get

50000 Revisions Committed to R

October 10, 2009
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oday Romain Francois posted an interesting topic in the R-help list, and you can read his blog post for more details: celebrating R commit #50000. 50000 is certainly not a small number; we do owe R core members a big “thank you” for their great efforts in this fantastic statistical language in the 13 years.

Simulation of Burning Fire in R

June 11, 2009
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inlin Yan posted a cool (hot?) simulation of burning fire with R in the COS forum yesterday, which was indeed a warm welcome. I’m not sure whether our forum members will be scared by the “fire” under the title “Welcome to COS Forum”. The fire was mainly created by the function image() with