Monthly Archives: September 2009

RInside release 0.1.0 — and now on CRAN

September 20, 2009
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Version 0.1.0 of RInside, my C++ wrapper classes which facilitate embedding R into your own C++ application, has been released and is now an official CRAN package.This release improves on the build process and should work on any sane Unix-alike o...

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RInside release 0.1.0 — and now on CRAN

September 20, 2009
By

Version 0.1.0 of RInside, my C++ wrapper classes which facilitate embedding R into your own C++ application, has been released and is now an official CRAN package. This release improves on the build process and should work on any sane Unix-alike opera...

Read more »

RInside release 0.1.0 — and now on CRAN

September 20, 2009
By

Version 0.1.0 of RInside, my C++ wrapper classes which facilitate embedding R into your own C++ application, has been released and is now an official CRAN package.This release improves on the build process and should work on any sane Unix-alike o...

Read more »

Welcome to Blogistic Reflections! (A blog created entirely in Emacs org-mode)

September 19, 2009
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Welcome to Blogistic Reflections! (A blog created entirely in Emacs org-mode)

John Tukey’s preface to Exploratory Data Analysis begins with a useful rule, “It is important to understand what you can do before you learn to measure how well you seem to have done it.” When I decided I wanted to start a blog concentrating on statistics, R, and Emacs, I thought I had better learn

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Power Analysis for mixed-effect models in R

September 18, 2009
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Power Analysis for mixed-effect models in R

The power of a statistical test is the probability that a null hypothesis will be rejected when the alternative hypothesis is true. In lay terms, power is your ability to refine or "prove" your expectations from the data you collect. The most frequent...

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Power Analysis for mixed-effect models in R

September 18, 2009
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Power Analysis for mixed-effect models in R

The power of a statistical test is the probability that a null hypothesis will be rejected when the alternative hypothesis is true. In lay terms, power is your ability to refine or "prove" your expectations from the data you collect. The most frequent...

Read more »

Web-Based Multilevel Modeling

September 18, 2009
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This is tremendously cool. A nice intuitive web-based interface for the lme4 package in R (and you neither need to know R or understand the intricacies of the lme4 package) that gives you pdf output and plots. If you just want to play around and not worry about coding things up, it’s a great little

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Set your R working directory in TextWrangler

Set your R working directory in TextWrangler

Yesterday I figured out (together with a friend, Leendert) how to set your R working directory to the path of the current document you're working on in TextWrangler. We developed two scripts: one for setting the working directory of R directly, and one...

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R Community in Australia

September 17, 2009
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R Community in Australia

One of the nice aspects of R is the community of users that has built up around it. The open-source model seems to create an orientation of sharing and contribution. Users benefit from R and then they give back in the form of new packages, free documen...

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Workflow in R

September 17, 2009
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Workflow in R

This came up recently on StackOverflow. One of the answers was particularly helpful and I thought it might be worth mentioning here. The idea presented there is  to break the code into four files, all stored in your project directory. These four files are to be processed in the following order. load.R This file includes

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