Monthly Archives: October 2010

>_ StatET, eclipse plug-in for R

October 2, 2010
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>_ StatET, eclipse plug-in for R

Install the plug-in is quite simple, we only need to follow the instructions that we’ll find at the project’s page: http://www.walware.de/goto/statet The requirements are Java 5 (1.5) or higher, Eclipse IDE and the R package: rJava. The rj package is also recommended. In my case, I have installed Eclipse Helios for PHP (eclipse-php-helios-linux-gtk-x86_64.tar.gz). Eclipse download

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Typo in Example 5.18

October 2, 2010
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Typo in Example 5.18

Edward Kao pointed out several typos in Example 5.18 of Monte Carlo Statistical Methods. First, the customers in area i should be double-indexed, i.e. which implies in turn that . Then the summary T should be defined as and as given that the first m customers have the fifth plan missing. Filed under: Books, R,

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Millionaire’s advice

October 2, 2010
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Millionaire’s advice

Viktor Uspaskich is euro-parliamentarian delegated by Lithuania. His was born in Russia, Arkhangelsk Oblast and later on he moved to Lithuania where he made his fortune and first millions. Recently, I saw an interview with him and I found interesting to test his claim, that  gold and oil are negatively correlated. Meaning that, when the price

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head and tail for strings

October 2, 2010
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The functions head and tail are very useful for working with lists, tables, data frames and even functions.But they do not work on strings. It is easy to define such functions> strtail + if(n+ substring(s,1-n) + else + substring(s,nchar(s)-n+1)+ }> strhead + if(n+ ...

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CouchDB and R

October 2, 2010
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CouchDB and R

Here are some quick crib notes on getting R talking to CouchDB using Couch's ReSTful HTTP API. We'll do it in two different ways. First, we'll construct HTTP calls with RCurl, then move on to the R4CouchDB package for a higher level interface. I'll assume you've already gotten started with CouchDB...

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CouchDB and R

October 2, 2010
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CouchDB and R

Here are some quick crib notes on getting R talking to CouchDB using Couch's ReSTful HTTP API. We'll do it in two different ways. First, we'll construct HTTP calls with RCurl, then move on to the R4CouchDB package for a higher level interface. I'll a...

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Comparison of Sunil Gavaskar and Javed Miandad’s Performance in International Cricket

October 2, 2010
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Comparison of Sunil Gavaskar and Javed Miandad’s Performance in International Cricket

Test Cricket PerformanceOne Day Cricket Performance

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A new version of ff released (version 2.2.0)

October 2, 2010
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A few hours ago, Jens Oehlschlägel has announced on the R-help mailing list of the release of a new version of the ff package. The ff package provides data structures that are stored on disk but behave (almost) as if they were in RAM by transparently mapping only a section (pagesize) in main memory – the effective virtual memory...

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OpenMx 1.0

October 1, 2010
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Just realized that this SEM package for R has released version 1.0. Great...

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OpenMx 1.0

October 1, 2010
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Just realized that this SEM package for R has released version 1.0. Great...

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