Monthly Archives: March 2012

Using wordcloud on search terms & phrases

March 28, 2012
By
Using wordcloud on search terms & phrases

The wordcloud package for R is great, but all the examples I found used the tm package to process a large amount of textual data (web pages, text files, google docs, etc.)But what if you have normalized data where you have a word and its frequency? Or,...

Read more »

email habits over time

March 28, 2012
By
email habits over time

I was curious if my sleeping/waking habits had really changed over the years – I definitely don’t feel I work as late now as when I was 22, but it’s hard to tell. To test this, I looked over all … Continue reading →

Read more »

robust pdf title extraction

March 28, 2012
By

I end up with a lot of PDF documents lying around – at last glance, this amounted to a few thousand files. Unfortunately, most of these documents end up with rather obscure names, making it rather annoying to find what … Continue reading →

Read more »

tcp timelines with ggplot2

March 28, 2012
By
tcp timelines with ggplot2

I’ve come across the need to analyze TCP flows from time to time, and while scripts like flowtime and EasyTimeline are nice, they aren’t really, well, pretty.  ggplot2, on the other hand is, and it turns out to be really easy to … Continue reading →

Read more »

SCRIPT for NIR "DEMO" Tutorial – 001

March 28, 2012
By
SCRIPT for NIR "DEMO" Tutorial – 001

########### RAW NIR Demo Data##################################demo<-read.table("demo.txt",header=TRUE)VIS<-demoVIS<-as.matrix(VIS)NIR<-demoNIR<-as.matrix(NIR)ALL<-demoALL<-as.matrix(ALL)Protein<-demo...

Read more »

Bigger data, better intelligence for government

March 28, 2012
By

Tomorrow (at 2PM Eastern on Thursday), the White House White House Office of Science and Technology Policy will host a 90-minute forum on Challenges and Opportunities in Big Data. You can watch the event live at the previous link, and see federal government science heads from OSTP, NSF, NIH, DoE, DoD, DARPA and USGS outline how their agencies are...

Read more »

U.S. Soldiers Died from What?

March 28, 2012
By
U.S. Soldiers Died from What?

Prior to WWII, the majority of soldiers died from disease and infection.The Invisible Enemy Often Killed You Before Your Political EnemyImagine the scene: thousands of military men laying on cots, makeshift beds, or the floor ...

Read more »

RcppArmadillo 0.2.37 and 0.2.38 released, but not on CRAN

March 28, 2012
By

Conrad is readying his fabulous Armadillo C++ template library for linear algebra for a new 3.0.0 release, and started to make pre-releases. His version 2.99.1 came about a good week ago, it took us a few days to make a small required change in RcppAr...

Read more »

Go faster R for Google’s summer of code 2012

March 28, 2012
By

The R Foundation has been accepted for Google’s summer of code and I thought I would suggest a few ideas for projects. My interests are in optimization and source code analysis, so obviously the suggestions involve these topics. There are an infinite number of possible optimizations that can be applied to code (well, at least

Read more »

useR!2012 – student’s scholarship for attending the conference

March 28, 2012
By

Good news for students wishing to attend the annual useR conference (useR!2012). Through generous sponsor support (ASA, and RStudio), a limited number of student scholarships1 are available for reimbursement of travel and registration costs up to $500. The allocation will be based on merit and need. Students who wish to apply should send an application to Tatsuki Koyama ([email protected]) no later than...

Read more »