December 2011

Japan Stagnation Myth?

December 28, 2011 | Christopher Gandrud

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...
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Top Grossing Movies by Year (U.S.)

December 28, 2011 | Patrick Rhodes

Description:Top grossing movie year by year, adjusted for inflation.Data:http://thenumbers.comAnalysis:This is a bit of an odd chart.  It only shows the total gross of the highest grossing movie for each year.  When adjusted for inflation, 'G...
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Nutrient intake data, finalising the data in R

December 28, 2011 | Michelle

I run plain R in the normal gui under Windows 7, which means no bells and whistles. This means that I find the R gui somewhat awkward to program in. Thanks to advice I received a number of years ago, I use Notepad ++ as my programming environment. It h... [Read more...]

R-specific review of blog year 2011

December 28, 2011 | Pat

Most popular posts Two of the ten most popular posts during the year were completely about R: The R Inferno revised (number 6) Solve your R problems (number 9) R played a role in the other eight top ten, and many of the rest of the posts as well. R The R ...
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Heating costs

December 28, 2011 | Karsten W.

In 2010, my heating costs exceeded my advance payments by about 25%. This motivated me to decompose the costs to see what drove the changes. Here is the result:The numbers refer to Euros. Read von right to left: 2010 was a cold year (+102EUR), but gas consumption in this house was relatively ...
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Nutrients consumed daily, R analysis story board

December 28, 2011 | Michelle

With any relatively complicated programming task, I prefer to first create a story board that provides the steps I will take to complete the overall task. This may end up being a heavily edited post if I find that my plans change part way through.The p... [Read more...]

Homicides in Mexico 2010

December 28, 2011 | Diego Valle-Jones

Recently the Mexican government released to the public the final homicide data for 2010, and as you can see from the chart Mexico has suffered from a steep rise in homicides since 2008, and in 2010 reached the highest homicide rate in recent history. The Mexican government had actually released preliminary homicide data ... [Read more...]

Rcpp 0.9.9

December 27, 2011 | Thinking inside the box

Release 0.9.9 of Rcpp is now on CRAN and getting into Debian too. This is mainly a bug fix release: our addition of int64 support in 0.9.8 came at the expense of support for long and unsigned long which broke some packages using Rcpp, and expecting t... [Read more...]

Data preparation for analysis, use VBA

December 27, 2011 | Michelle

Data on daily nutrient intake information is stored within a database, and the users are extracting the relevant data on a nutrient-by-nutrient basis through an export procedure. The exported data is being stored in Excel 2010 data sets, one for each n... [Read more...]

oro.nifti 0.3.1

December 27, 2011 | Brandon Whitcher

The  package oro.nifti contains functions for the input/output and visualization of medical imaging data that follow either the ANALYZE, NIfTI or AFNI formats.  This package is part of the Rigorous Analytics bundle.Lightbox display of fu... [Read more...]

oro.dicom 0.3.3

December 27, 2011 | Brandon Whitcher

The R package oro.dicom contains data input/output functions for medical imaging data that conform to the Digital Imaging and Communications in Medicine (DICOM) standard, part of the Rigorous Analytics bundle.The latest version of oro.dicom (0.3.3) con... [Read more...]

Fed Loan Data Part 1

December 27, 2011 | 0utlieR

This is the start of analyzing the Federal Reserve and Banking data mentioned in my "A Christmas Miracle". The file is a combination of summary data and actual data from each of the 400+ banks that recieved funds from the Federal Reserve during 2007-20... [Read more...]

Monetary Policy and Credit Easing

December 26, 2011 | Steven Sabol

Here at the dancing economist, we wish to educate our followers on the finer points of economics and this includes econometrics and using R. R as mentioned previously is a free statistical software that enables regular people like us to do high end eco... [Read more...]

Just Crantastic!

December 26, 2011 | Dave Giles

If you're an econometrician and you don't use the R software environment - for at least some of your work, then you're missing out on all sorts of (free!) opportunities.Yes, it can be a steep learning curve, but it's worth every drop of sweat, and there are some great ... [Read more...]

An R wish list for 2012

December 26, 2011 | Luis

I expect there will be many reviews and wish lists for R this year, with many of them focusing on either running speed or dealing with large data sets. However, most issues that I would like to see tackled in … Continue reading → [Read more...]

Le Monde puzzle [#754]

December 25, 2011 | xi'an

The pre-X’mas puzzle in Le Monde weekend edition is about “magical numbers” having as digits all digits between 0 and n (at least once) and being multiple of all digits between 1 and (n+1). Easy, isn’t it?! I thought so while driving down to the Alps on Saturday and (on ... [Read more...]

Portfolio Optimization in R, a previous error.

December 25, 2011 | DomPazz

I realized that I made a mistake in the calculation of the market weight portfolio from the previous post.  I hold constant the portfolio weights through time. These should be adjusted after each day as prices change.  The market portfolio re...
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