Posts Tagged ‘ R ’

GillespieSSA 0.3-1 released

October 4, 2007
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GillespieSSA 0.3-1 released

I recently rolled up the new version of the GillespieSSA package, version 0.3-1. The tar ball of the new version is posted on its web page (here). I also submitted it to CRAN so in (due time) it should appear … Continue reading →

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Special Volume of JSS on Ecology and Ecological Modelling in R

October 3, 2007
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Special Volume of JSS on Ecology and Ecological Modelling in R

The latest issue Journal of Statistical Software is a special volume on Ecology and Ecological Modelling in R. This has been in the woodwork for quite some time now and it is nice to finally to see this out “in … Continue reading →

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R video tutorial number 2

October 2, 2007
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R video tutorial number 2

READ TEXT FILES, RUN MODELS The Decision Science News R video tutorials continue with number 2. (If you missed that last one, you will want to watch R Video Tutorial Number 1 first.) The Goldstein pedometer dataset can be downloaded from http://www.dangoldstein.com/flash/Rtutorial2/pedometer.csv Topics covered this week include: Tricking R into starting in your working directory Reading in text

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R video tutorial number 1

September 26, 2007
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R video tutorial number 1

LEARN R BY JUST WATCHING For this week, Decision Science News has created a video tutorial on how to get started using the R Language for Statistical Computing. (The tutorial is best viewed in your browser’s full-screen mode, try pressing F11 in Windows). R is free and open source, and constantly being improved upon by countless

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GillespieSSA on CRAN

September 21, 2007
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GillespieSSA on CRAN

So it’s official – my R package GillespieSSA has been posted to the official list of packages on CRAN (The Comprehensive R Archive Network). Check it out. Now back to my manuscript. Over the last few days I have been … Continue reading →

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GillespieSSA 0.2-0 is released

September 19, 2007
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GillespieSSA 0.2-0 is released

Just finished the new version of the GillespieSSA package. The tar ball of the new version is posted on its web page (here). I also submitted it to CRAN so in (due time) it should appear on the official R … Continue reading →

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Implementing the stochastic simulation algorithm in R

September 8, 2007
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Implementing the stochastic simulation algorithm in R

Dear blog, no I have not forgot you or the rest of the world. Sequestered in my humble cubicle I have been hammering away day and night for the last several weeks – hammering out a manuscript. Finally after what … Continue reading →

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Organization and R

September 5, 2007
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Many R users seem to get themselves in a bit of a mess with R files and workspaces scattered across different directories. The R files themselves also get messy and hard to follow. So here is some advice on keeping organized with R: Try to keep code strictly indented based on the code structure

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Organization and R

September 5, 2007
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Many R users seem to get themselves in a bit of a mess with R files and workspaces scattered across different directories. The R files themselves also get messy and hard to follow. So here is some advice on keeping organized with R: Try to keep code ...

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Debugging in R

August 30, 2007
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Anyone who starts writing serious R code (i.e., code that involves user-written functions) soon finds the need to use debugging tools. There are a few basic tools in R that are worth knowing about. The function debug() allows one to step through the execution of a function, line by line. At any point, you can print

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