Blog Archives

R:case4base – data filtering and ordering with base R

April 20, 2018
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Contents Introduction How to use this article Selecting (subsetting) relevant data from a data.frame Constructing meaningful subsets simply and safely More ways to provide subset indices Sorting data Sorting by multiple vectors with different order Alternatives to base R TL;DR - Just want the code Exercises References Exercise answers Discuss the article Introduction In the previous article we discussed and learned how to reshape data with base R to a form that is practical...

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R:case4base – reshape data with base R

April 6, 2018
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Contents Introduction How to use this article Basic wide to long reshape Basic long to wide reshape Advanced reshape Alternatives to base R TL;DR - Just want the code Exercises References Exercise answers Discuss the article Introduction This is the first post in the R:case4base series. The aim of the series is to elaborate on very useful features of base R that are lesser known and many times substituted with custom functionality...

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R:case4base – about the series

March 23, 2018
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Contents What is does this series offer? What is considered base R? Discuss the article What is does this series offer? This is the introduction to the R:case4base series. The aim of the series is to elaborate on very useful features of base R that are lesser known and many times substituted with custom functionality of external packages. The motivation behind the series is...

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NppToR 2.5.2 Improves startup

December 21, 2010
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I’ve been getting lots of feedback that there are problems starting NppToR with some of the latest version. I took to the task of looking at that yesterday on the train home. I have made improvements to the way NppToR finds the RHome directory, not relying entirely on the windows registry. I also removed the

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Slides from first Utah.edu & R.P. RUG meeting

November 23, 2010
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Here are the slides from the first University of Utah and Research Park R Users Group meeting. They discuss getting help and finding packages. R

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