# Monthly Archives: April 2011

## Historical Sources of Bond Returns with Shiller Data 1919-2011

April 11, 2011
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And as usual, I always want a longer data set, so after a little playing with R-Excel, we can extend our historical sources of bond returns to 1919.  If nothing else, maybe you can find other uses for the Shiller Dataset in R. From TimelyPort...

## Rstudio updates to beta 2

April 11, 2011
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The folks over at Rstudio have released a new update to their open-source R GUI, currently in beta test. This Beta 2 release adds more customizable layouts, editor improvements and new editing themes. Also of interest is a new feature that allows creation of graphics that update under the control of sliders and checkboxes and such. See the full...

## EC2 AMI for scientific computing in Python and R

April 11, 2011
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Like many people who crunch numbers frequently, I have increasingly been integrating Amazon’s cloud computing services into my daily workflow. In particular, I have been using their elastic cloud computing (EC2) on a regular basis. The service is an excellent way to offload computationally intensive work from your laptop for literally pennies on the

## Historical Sources of Bond Returns

April 11, 2011
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As promised in Monitoring Sources of Bond Return, we can show more history if we use CPI instead of expected inflation (from the TIP inflation breakeven yield).  Here are the results with history back to 1953. From TimelyPortfolio However, mo...

April 11, 2011
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## Tumblr Likes

April 11, 2011
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Look at just the first digit and the number of digits. science: 32914, 11566, 4989, 3743, 968, 814, 673, 482, 286, 2811 black and white: 1694, 1167, 1108, 988, 919, 639, 596, 591, 580, 544 lol: 22627, 18100, 17688, 14374, 13459, 12045, 4711, 3779, 36...

## Tumblr Likes

April 11, 2011
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Look at just the first digit and the number of digits. science: 32914, 11566, 4989, 3743, 968, 814, 673, 482, 286, 2811 black and white: 1694, 1167, 1108, 988, 919, 639, 596, 591, 580, 544 lol: 22627, 18100, 17688, 14374, 13459, 12045, 4711, 3779, 36...

## Article about plyr published in JSS, and the citation was added to the new plyr (version 1.5)

April 11, 2011
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The plyr package (by Hadley Wickham) is one of the few R packages for which I can claim to have used for all of my statistical projects. So whenever a new version of plyr comes out I tend to be excited about it (as was when version 1.2 came out with support for parallel processing)