FEB 22, 2011 4:51pm ET

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By-Group Processing, the R data.table and the Power of Open Source

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I just finished developing a couple of statistical analysis R scripts/functions for a customer. The work was pretty mundane: read several text files, merge the results, reshape the intermediate data, calculate some new variables, take care of missing values, attend to meta data, execute a few predictive models and graph the results.

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Comments (2)
Is there a typo in the first word of "messaged into something easier to manipulate." Should "messaged" be "massaged"?
Posted by Alan M | Wednesday, February 23 2011 at 8:26PM ET
Alan --

Good find. Thanks.

Posted by steve m | Thursday, February 24 2011 at 8:34AM ET
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