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Quick start Hadoop and Hive for analysts

Here’s another post from my new website ragscripts.com. The problem You have a huge data set to crunch in a small amount of time. You’ve heard about the advantages of map reduce for processing data in parallel and you’d quite like to have a go with Hadoop to see what all the fuss is about. … Continue reading

  • Quite a handy couple of lines of code to subset a list in R to just those elements which meet a certain condition. Here's an example to return only those elements of a list which are a certain class. Thanks to this StackOverflow answer.

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