Blog Archives

R – Sorting a data frame by the contents of a column

February 12, 2010
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R – Sorting a data frame by the contents of a column

Learn about data frames, selecting columns, and sorting data frames by given columns

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Running totals in R

February 11, 2010
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Running totals in R

Learn about the cumsum function in R for running totals

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How Facebook and Google use R

February 21, 2009
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How Facebook and Google use R

How Facebook and Google use R Interesting read.  rpart comes in handy again.

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