364 search results for "animation"

Some belated spring cleaning

August 11, 2013
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Some belated spring cleaning

A very busy spring has transitioned into a very busy summer, so let me recap a few topics that probably deserve more time than I’ll give them here. Here are the things I’m overdue on, in no particular order: Publications In the March edition of the Journal of Risk, Kris Boudt, Brian Peterson and I

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Bio7 1.7 for Windows Released!

August 8, 2013
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Bio7 1.7 for Windows Released!

07.08.2013 A new Windows version of Bio7 is available. This version comes with a lot of new features and improvements for Java, R and ImageJ. One highlight is that you can now interpret Jython (Python) code with Bio7. In addition a new console implementation is available which offers access to a native shell, different Java

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More code and images from “Displaying time series, spatial and space-time data with R”

More code and images from “Displaying time series, spatial and space-time data with R”

My book continues growing. I have recently completed the first version of the Spatio-Temporal visualization chapters. Moreover, a significant part …Continuar leyendo »

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In case you missed it: May 2013 Roundup

June 10, 2013
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In case you missed them, here are some articles from May of particular interest to R users: Billions of geotagged Tweets create a beautiful map of the world when plotted with the ggmap package. A review of Ryan Sheftel's talk at R/Finance, on how he uses R on the trading desk at Credit Suisse. Also, a quick take on...

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Feature Selection 3 – Swarm Mentality

June 6, 2013
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Feature Selection 3 – Swarm Mentality

"Bees don't swarm in a mango grove for nothing. Where can you see a wisp of smoke without a fire?" - Hla Stavhana In the last two posts, genetic algorithms were used as feature wrappers to search for more effective subsets of predictors. Here, I will do the same with another type of search algorithm: particle swarm optimization....

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The R-Podcast Episode 13: Interview with Yihui Xie

May 23, 2013
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It’s an episode of firsts on the R-Podcast! In this episode recorded on location I had the honor and privilege of interviewing Yihui Xie, author of many innovative packages such as knitr and animation. Some of the topics we discussed include: Yihui’s motivation for creating knitr and some key new features How markdown plays a

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The R-Podcast Episode 13: Interview with Yihui Xie

May 23, 2013
By

It's an episode of firsts on the R-Podcast! In this episode recorded on location I had the honor and privilege of interviewing Yihui Xie, author of many innovative packages such as knitr and animation. Some of the topics we discussed include: Yihui's motivation for creating knitr and some key new features How markdown plays a key role in making reproducible research more ...

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R programming challenge: Escape the zombie horde

May 20, 2013
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R programming challenge: Escape the zombie horde

So when the world is taken over by a Zombie horde, you're going to want to figure out a way to get the human population to safety. This R script by econometrician Francis Smart won't help you do that exactly, but given a list of waypoints to navigate through zombie-infested lands to a safe house, it will tell you...

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Spatial Critter Swarming Simulation

May 10, 2013
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Spatial Critter Swarming Simulation

# I am interested in how small bits of individualized instructions can create collective action.# In this simulation I will give a single instruction to each individual in the swarm.# Choose another individual who is not too close, then accelerate towards that individual.# I also control momentum causing the previous movement and direction to...

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Bubble sort implemented in pure R

May 10, 2013
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Bubble sort implemented in pure R

Please note that this is programming I purely did for the learning experience. The pure R bubble sort implemented in this post is veeeeery slow for two reasons: Interpreted code with lots of iteration is very slow. Bubble sort is… See more ›

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