Monthly Archives: January 2012

RStudio does not start when using a R version built from source

January 25, 2012
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Because I do not have root privileges on some of the machines I use, I build part of my software from source and install it into my own homedirectory. Doing that requires one to download R from CRAN, e.g. R… See more ›

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A wordcloud comparison of the 2011 and 2012 #SOTU

January 24, 2012
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A wordcloud comparison of the 2011 and 2012 #SOTU

I wrote a quick (and very dirty) R script for creating a comparison cloud and a commonality cloud for President Obama’s 2011 and 2012 State of the Union speeches*. The cloud on the left shows words that have different frequencies between the two spe...

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Project Euler in R: Problem 25

January 24, 2012
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Solutions in R to Project Euler problems are generally hard to find, so I've recently started posting R solutions on this site.  Here are the previous problems: problem 22, problem 23 and problem 24Now let's...

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R Appears Among Top 20 Programming Languages

January 24, 2012
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R Appears Among Top 20 Programming Languages

Speaking of R… On the 16th, TIOBE Software released the Tiobe Index of the most popular programming languages. For the first time ever, R is in the Top 20. The top spots are, no surprise, occupied by Java and C respectively. More after the jump. The way this index is assembled is…interesting. The full way

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Geocode your data using, R, JSON and Google Maps’ Geocoding APIs

January 24, 2012
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Over the last year and half, I have faced numerous challenges with geocoding the data that I have used to showcase my passion for location analytics.  In 2012, I decided to take thing in my control and turned to R.  Here, I am sharing a simpl...

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BBBT Podcast with David Smith

January 24, 2012
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Last Friday I was fortunate enough to have the opportunity to travel to Boulder, CO and present R and Revolution Analytics to about 20 analysts as part of the Boulder BI Brain Trust (BBBT). It was a great pleasure to describe the vision for Revolution R Enterprise and got some great feedback from the particpants. During the event, I...

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It is "simply" the average value

January 24, 2012
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It is "simply" the average value

for some obscure reasons, simple things are usually supposed to be simple. Recently, on the internet, I saw a lot of posts on the "average time in which you hold a stock", and two rather different values are mentioned "Take any stock in the United ...

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CBC Reviews: Revolution R (in which this doesn’t go well)

January 24, 2012
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CBC Reviews: Revolution R (in which this doesn’t go well)

Update!: The latest version of Revolution R, which added support for RHEL 6, appears to work (it appears to at least install, run, and perform basic tasks). See this post for more details. I’ve come to enjoy using R. I had dabbled with it in the past, but found it painfully opaque, and the Effort:Reward

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Announcing boolean3 (beta)

January 24, 2012
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After entirely too long, I am happy to announce the beta release of boolean3, an R package for modeling causal complexity. The package can be downloaded at the following links: Unix/Linux: boolean3_3.0.20.tar.gz Windows: boolean3_3.0.20.zip (Please let me know if you have any … Continue reading →

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Interactive Graphics with the iplots Package (from “R in Action”)

January 24, 2012
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Interactive Graphics with the iplots Package (from “R in Action”)

(This article was first published on R-statistics blog » R, and kindly contributed to R-bloggers) The followings introductory post is intended for new users of R.  It deals with interactive visualization using R through the iplots package. This is a guest article by Dr. Robert I. Kabacoff, the founder of (one of) the first online R tutorials websites: Quick-R. Kabacoff has...

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