Hive UDFs and UDAFs with Python

Sometimes the analytical power of built-in Hive functions is just not enough. In this case it is possible to write hand-tailored User-Defined Functions (UDFs) for transformations and even aggregations which are therefore called User-Defined Aggregation Functions (UDAFs). In this post we focus on how to write sophisticated UDFs and UDAFs …

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Handling Big Data with Python

The talk presented at the PyCon 2013 in Cologne gives a small introduction of how Blue Yonder applies machine learning and Predictive Analytics in various fields as well as the challenges of Big Data. Using the example of Blue Yonder’s machine learning software NeuroBayes, I show the made efforts …

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