Posts Tagged ‘ by ’

Custom Summary Stats as Dataframe or List

March 24, 2012
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Custom Summary Stats as Dataframe or List

On Stackoverflow I found this useful example on how to apply custom statistics on a dataframe and return the results as list or dataframe:somedata

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

January 28, 2012
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Say it in R with "by", "apply" and friends

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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