jaceklaskowski
Mastering Apache Spark

Updated a month ago

kambaala yashwanth (@kambaalayashwanth) started discussion #107

a year ago · 0 comments

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Top N per Group is useful when you need to compute the first and second best-sellers in category.

Window Aggregate Operators — Windows (Edit this file)

i think dataset.where('category === "tablet").show

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