Monthly Archives: February 2011

A legitimate use for the stupidest variable name ever

February 2, 2011
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A legitimate use for the stupidest variable name ever

The help page to make.names describes how to make a valid variable name in R: A syntactically valid name consists of letters, numbers and the dot or underline characters and starts with a letter or the dot not followed by a number. Names such as ‘”.2way”’ are not valid, and neither are the reserved words.

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Plotting images on a grid using R or Python

February 2, 2011
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Plotting images on a grid using R or Python

A thread depicting how to insert a png image in a plot, thanks to Stackoverflow: plotting-images-on-a-grid. A very basic tip, still useful to someone.

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Charting For Fun

February 2, 2011
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Charting For Fun

Interesting Charts Making Lemonade If you are working on the FREE eMetrics pass, and you really should if you need a free pass, I created some charts based on the sample data. These data are limited in terms of the … Continue reading →Charting For Fun is a post from: MichaelDHealy.com

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Annotated source code

February 1, 2011
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Annotated source code

We programmers are told that reading code is a good idea. It may be good for you, but it's hard work. Jeremy Ashkenas has come up with a simple tool that makes it easier: docco. Ashkenas is also behind underscore.js and coffeescript, a dialect of ja...

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Teach Yourself How to Create Functions in R

February 1, 2011
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Teach Yourself How to Create Functions in R

As you can tell from my previous posts, I am diving in head first into learning how to program (and simplify) my analytical life using R.  I have always learned by example and have never really prospered from the “learn from scratch” school of thought.  As I follow along with some other fellow R programmers,

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Revolution R Enterprise 4.2 now available

February 1, 2011
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Today we're pleased to announce the availability of the latest update to the Revolution R family, Revolution R Enterprise 4.2. This release includes all of the capabilities of the most powerful statistical software available, open-source R (version 2.11.1), plus additional components for big data analysis, integration, user experience and more. Version 4.2 includes a number of new features, including:...

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