Summary
In this chapter, you have studied various data reduction techniques that aim to obtain a reduced representation of the data. We have explored design patterns that perform the dimensionality reduction using the PCA technique and the numerosity reduction using the clustering, sampling, and histogram techniques.
In the next chapter, you will explore the advanced patterns that use Pig to mimic social-media data and understand the context better using text classification and other relevant techniques. We will also understand how the Pig language would evolve in the future.
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