2772 search results for "gis"

Quick Update on the Components of Bond Returns

January 12, 2012
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Quick Update on the Components of Bond Returns

In Real Squeeze, -1% Guaranteed Real Real Return! Yummy??, and Historical Sources of Bond Returns, I offer some historical perspective on the only sources of bond returns: inflation, real returns, and credit.  Assuming no credit risk in US Treasur...

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Toying with Google Apps Script

January 11, 2012
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Toying with Google Apps Script

Google offers an access to its services with Apps Scripts (JavaScript). That gives you a possibility to connect your spreadsheet to a fascinating variety of tools like geocoder, stock info, language translator, or email.My java-scri...

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Moving from blogger and wordpress to jekyll

January 11, 2012
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Moving from blogger and wordpress to jekyll

Recology used to be hosted on Blogger, and my personal website was hosted on Wordpress. Neither platform was very satisfying. Blogger is very limited in their layouts, unless you use dynamic views, which suck because they don't allow javascript snipp...

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Looping through factor variables

January 10, 2012
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Looping through factor variables

Today I was typing to a friend who is working on a Ph.D thesis about my favor issue on elections: campaign contributions. We discussed about analyzing probabilities of a particular group/category grasp more money than the others, in this case, male and female given a district. A preliminary approach should consider identify in the data

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Coming of Age: R and Spatial Data Visualisation

January 10, 2012
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Coming of Age: R and Spatial Data Visualisation

I have been using R (a free statistics and graphics sof

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Feedback from vignette survey

January 8, 2012
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Feedback from vignette survey

Many thanks to all who participated in the survey about writing R package vignettes.Following my post last Thursday the responses came in quickly in the evening and all day on Friday. Since Saturday the response rate has been decreasing constantly and ...

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“Hold Only That Pair of 2s?” Studying a Video Poker Hand with R

January 8, 2012
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“Hold Only That Pair of 2s?” Studying a Video Poker Hand with R

Whenever I tell people in my family that I study Statistics, one of the first questions I get from laypeople is “do you count cards?” A blank look comes over their face when I say “no.” Look, if I am at a casino, I am well aware that the odds are against me, so why even try to think that...

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Analyzing R-bloggers

January 6, 2012
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Analyzing R-bloggers

In the last two posts we saw how to download posts from R-bloggers, and then extract the title, author and date of each post and write that information to a csv file. Since we now have a nice data set from r-bloggers, we can start to examine the develo...

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R: Web Scraping R-bloggers Facebook Page

January 6, 2012
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R: Web Scraping R-bloggers Facebook Page

  Introduction R-bloggers.com is a blog aggregator maintained by Tal Galili. It is a great website for both learning about R and keeping up-to-date with the latest developments (because someone will probably, and very kindly, post about the status of some R related feature). There is also an R-bloggers facebook page where a number of

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Extreme Bond Returns

January 6, 2012
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Extreme Bond Returns

20 years of data is nowhere near enough to satisfy my insatiable appetite for bigger datasets.  While I showed Record Long Term Treasury Returns with Vanguard’s US Long Treasury mutual fund, its 20 year life is not sufficient to give me comfort ...

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