Blog Archives

Using R — Documentation

Posted on January 6, 2011 by Jonathan Callahan
This entry is part 1 of 21 in the series Using R

We use R a lot.  R takes care of many our basic data management needs.  R is an awesome statistical analysis package.  R allows you to produce exceptional data graphics.  The only problem is … R has a wicked learning …   read more …

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Using R — Installing Packages

Posted on May 12, 2011 by Jonathan Callahan
This entry is part 2 of 21 in the series Using R

One of the reasons to use R for analysis and visualization is the rich ecosystem of ‘packages’ contributed by others. In most cases, just as with smartphones, “There’s a package for that.” If you want to be efficient you need …   read more …

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Using R — A Script Introduction to R

Posted on October 17, 2012 by Jonathan Callahan
This entry is part 3 of 21 in the series Using R

To many people, R is like the Everglades. They’ve heard of it, they know it’s big and has amazing treasures deep inside. Articles in the media can make it look irresistible. But after a personal or even second hand experience …   read more …

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Using R — Basic error Handing with tryCatch()

Posted on December 7, 2011 by Jonathan Callahan
This entry is part 4 of 21 in the series Using R

The R language definition section on Exception Handling describes a very few basics about exceptions in R but is of little use to anyone trying to write robust code that can recover gracefully in the face of errors. In fact, …   read more …

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Using R — Package Installation Problems

Posted on February 12, 2013 by Jonathan Callahan
This entry is part 5 of 21 in the series Using R

The post titled Installing Packages described the basics of package installation with R.  The process is wonderfully simple when everything goes well.  But it can be maddening when it does not.  Error messages give a hint as to what went …   read more …

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