1830 search results for "ggplot2"

Exploring phylogenetic tree balance metrics

October 10, 2012
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Exploring phylogenetic tree balance metrics

I need to simulate balanced and unbalanced phylogenetic trees for some research I am doing. In order to do this, I do rejection sampling: simulate a tree -> measure tree shape -> reject if not balanced or unbalanced enough. But what is enough? We ne...

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A brief script on Geographical data analysis in R

A brief script on Geographical data analysis in R

I saw this post and I decided to replicated that good example but with data closer to me, particulary data of my country. So, I've got the shape data of the capital of my country (You can download the data from here). The data comes from the 2002 CENSO...

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In case you missed it: September 2012 Roundup

October 8, 2012
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In case you missed them, here are some articles from September of particular interest to R users. You can now browse the R-devel sources and changelogs at GitHub. R is used to create a 3-D animation of the Antarctic ice cap. At the DataWeek SF conference, R users from eBay, Intuit, Minted and other companies describe how R is...

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DIY ZeroAccess GeoIP Analysis : So What?

October 8, 2012
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DIY ZeroAccess GeoIP Analysis : So What?

NOTE: A great deal of this post comes from @jayjacobs as he took a conversation we were having about thoughts on ways to look at the data and just ran like the Flash with it. Did you know that – if you’re a US citizen – you have approximately a 1 in 5 chance of getting the

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A quick introduction to ggplot()

October 5, 2012
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A quick introduction to ggplot()

I gave a short talk today to the about ggplot. This what I presented. Additional resources at the bottom of this post ggplot is an R package for data exploration and producing plots. It produces fantastic-looking graphics and allows one to slice and dice one’s data in many different ways. Comparing with base...

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Style your R charts like the Economist, Tableau … or XKCD

October 5, 2012
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Style your R charts like the Economist, Tableau … or XKCD

As we noted last month, the new Themes feature in ggplot2 helps you customize the design of R charts to your liking. Now, R user Jeffrey Arnold has built on this feature to create standardized themes to make R graphics looks like those from major publications and other software systems. You can use his ggthemes package to make your...

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DIY ZeroAccess GeoIP Plots

October 5, 2012
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DIY ZeroAccess GeoIP Plots

Since F-Secure was #spiffy enough to provide us with GeoIP data for mapping the scope of the ZeroAccess botnet, I thought that some aspiring infosec data scientists might want to see how to use something besides Google Maps & Google Earth to view the data. If you look at the CSV file, it’s formatted as

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its the Gramma an punctuashun wot its’ about, Rgiht?

October 4, 2012
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its the Gramma an punctuashun wot its’ about, Rgiht?

This is another of those confluence style posts, where a handful of things I’ve read in quick succession seem to phase lock in my mind: (brought to mind in part via @downes a week or so ago: How to Synch 32 Metronomes) The first was a post by Alan Levine on Making Text Work, which

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Presidential Debates with qdap-beta

October 4, 2012
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Presidential Debates with qdap-beta

qdap brief intro For the past year I’ve been working on a package (qdap) to assist my field in quantitative discourse analysis; basically looking at patterns in language. It’s still a ways from being finished and lacks documentation (roxygen2 is … Continue reading →

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Parse pdf files with R (on a Mac)

October 4, 2012
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Inspired by this blog post from theBioBucket, I created a script to parse all pdf files in a directory. Due to its reliance on the Terminal, it’s Mac specific, but modifications for other systems shouldn’t be too hard (as a start for Windows, see BioBucket’s script). First, you have to install the command line tool

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