Posts Tagged ‘ C ’

Julien on R shortcomings

September 8, 2010
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Julien on R shortcomings

Julien Cornebise posted a rather detailed set of comments (from Jasper!) that I thought was interesting and thought-provoking enough (!) to promote to a guest post. Here it is , then, to keep the debate rolling (with my only censoring being the removal of smileys!). (Please keep in mind that I do not endorse everything

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Seamless R and C++ integration

July 28, 2010
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Seamless R and C++ integration

Video of the talk “Seamless R and C++ integration” by Dirk Eddelbuettel at the Los Angeles area R Users Group in March 2010 (to see the video in a larger size, click inside the video but outside the play button):

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plagiarism exposed!

June 14, 2010
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plagiarism exposed!

Last morn, I had the surprise of receiving the following email: This is to inform you that the following abstract has been submitted to the 3rd International Conference of the ERCIM WG on COMPUTING & STATISTICS (ERCIM’10) Ab#: 114 Title: Goodness of Fit Via Mixtures of Beta distributions Keywords: nonparametric estimation, posterior conditional predictive p-value.

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Computational Statistics

May 9, 2010
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Computational Statistics

Do not resort to Monte Carlo methods unnecessarily. When I received this 2009 Springer-Verlag book, Computational Statistics, by James Gentle a while ago, I briefly took a look at the table of contents and decided to have a better look later… Now that I have gone through the whole book, I can write a short

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A stateful C function for R: parsing Fasta sequences

April 19, 2010
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In the following post, I'll create a C extension for R. This extension will iterate over all the FASTA sequences in a file and will return a pair(name,sequence) for each sequence, that is to say that I won't store all the sequences in memory.The C code...

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‘R’ = dna.translate("AGG") . A custom C function for R, My notebook.

March 26, 2010
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In the following post, I will show how I've implemented a custom C function for R. This C function will translate a DNA to a protein. I'm very new to 'R' so feel free to make any comment about the code.C codeThe data in 'R' are stored in an opaque stru...

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AMCMC

November 30, 2009
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AMCMC

It seems to be something I am looking for: an interface between R and C for Bayesian analysis.http://www.probability.ca/amcmc/

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05.05.09: 6 Steps to call a C function in R

May 5, 2009
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05.05.09: 6 Steps to call a C function in R

TasksWrap for netMotifsSubmit Abstract for PhD RetreatRead Architecture paperÖzgür's WST data and Uli's RTCA dataAfter some searching and testing, I have began to know how to call a C function in R. The reason for doing this can be speed (for example...

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The most popular programming languages in 2008

October 26, 2008
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TIOBE has released the newest ranking for the most popular programming language here. Java remains the top popular programming language. C and C++ follow with Java. I dont' see R in this ranking. Maybe it doesn't belong to this group! Maybe I should ...

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The most popular programming languages in 2008

October 26, 2008
By

TIOBE has released the newest ranking for the most popular programming language here. Java remains the top popular programming language. C and C++ follow with Java. I dont' see R in this ranking. Maybe it doesn't belong to this group! Maybe I should ...

Read more »