Posts Tagged ‘ r-project ’

How-to Extract Text From Multiple Websites with R

February 18, 2012
By
How-to Extract Text From Multiple Websites with R

I have been meaning to post this slideshow for awhile now. It gives a brief introduction to using R for scraping text from multiple websites. It includes some basic debugging, because R sometimes misses a website.Just click the arrows to change the sli...

Read more »

OpenCPU, R in the Cloud

February 8, 2012
By
OpenCPU, R in the Cloud

I ran across OpenCPU today. If you have any intest in R and reproducible research this is definitely worth checking out. Also, it looks like I might want to explore the potential of embedding functions in websites. Hm . . . .

Read more »

Update to Partisan Bias in Fed Inflation Forecasts

February 7, 2012
By
Update to Partisan Bias in Fed Inflation Forecasts

Since I'm in the depths of PhD thesis revisions I haven't had much time to do much other than update previous posts (see my Stata Country Standardizer Update).Here is an update of an earlier post about possible partisan biases in US Federal Reserve sta...

Read more »

How many pages in Scott Walker Recall Petition PDF files?

February 3, 2012
By

Computer Assisted Reporting In an online press release on Tuesday the Wisconsin Government Accountability Board announced they would put all 153,335 pages of PDF copies of the Scott Walker recall petition online later that day. The GAB announced the PD...

Read more »

Japan Stagnation Myth?

December 28, 2011
By
Japan Stagnation Myth?

I came across this piece on The Atlantic website by Eamonn Fingleton arguing that Japan's two decade long stagnation is largely a myth. I'm not willing, just yet, to completely go along with his thesis that this myth has been stoked by the Japanes...

Read more »

Partisan Bias in Fed Inflation Forecasts?

December 22, 2011
By
Partisan Bias in Fed Inflation Forecasts?

Following on from my previous post about US Federal Reserve inflation forecast errors, I decided to put together a descriptive graph to see if there might be a partisan bias to these forecast erros. Also, given all of the work in the political eco...

Read more »

Working with Wisconsin Voter Data in Access 2007; Analysis with R.

December 2, 2011
By

Computer Assisted Reporting This technical note describes manipulation/analysis of Wisconsin voter registration data from June 2011. Wisconsin voter registration data can be purchased from the Wisconsin Government Accountability Board for $12,500, whic...

Read more »

ConPA uses cloudnumbers.com as calculation backend

November 25, 2011
By
ConPA uses cloudnumbers.com as calculation backend

ConPA is an asset allocation application using the classic Markowitz approach. For the calculations the open-source statistical programming language R is used. R scripts are executed on cloudnumbers.com’s computer clusters in the Cloud and the results are displayed by ConPA frontend. ConPA allows to set the investment date of the portfolio, the target return and

Read more »

Bridge and Torch problem in R

November 8, 2011
By
Bridge and Torch problem in R

A couple months ago I came across the bridge and torch problem at a careers fair in Oxford. A young tech company called QuBit used it as a brain teaser challenge for would be software engineers to solve before submitting … Continue reading →

Read more »

The next generation of parallel R

November 2, 2011
By
The next generation of parallel R

In view of open-source parallel computing with R this week presents a big step to the future. R 2.14.0 was released at October 31th, 2011. Now, R base ships with a parallel computing package called “parallel”.  library(parallel) It combines advantages of the packages multicore and snow and it contains support for multiple RNG streams. The

Read more »