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R is the easiest language to speak badly

February 1, 2012 | Markus Gesmann

I am amazed by the number of comments I received on my recent blog entry about "by", "apply" and friends. I had started my post by pointing out that R is a language. Well indeed, I have come to the conclusion, that it is a language with lots of irregul...

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Printing nested tables in R – bridging between the {reshape} and {tables} packages

January 29, 2012 | Tal Galili

This post shows how to print a prettier nested pivot table, created using the {reshape} package (similar to what you would get with Microsoft Excel), so you could print it either in the R terminal or as a LaTeX table. This task is done by bridging between the cast_df ... [Read more...]

Say it in R with "by", "apply" and friends

January 28, 2012 | Markus Gesmann

Iris versicolor (Source: Wikipedia)R is a language, as Luis Apiolaza pointed out in his recent post. This is absolutely true, and learning a programming language is not much different from learning a foreign language. It takes time and a lot of pr...

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Use of Classification Trees to Investigate Traits of Invasive Species

September 20, 2011 | Kay Cichini

Which traits make an alien species invasive?Due to what traits an alien species becomes established in a foreign flora?This kind of questions could be analysed by the use of recursive partitioning and classification trees..(the below example also inclu...

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aggregate()

R is the easiest language to speak badly

Printing nested tables in R – bridging between the {reshape} and {tables} packages

Say it in R with "by", "apply" and friends

Use of Classification Trees to Investigate Traits of Invasive Species

aggregate()

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