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The Dataframe API was released as an abstraction on top of the RDD, followed by the Dataset API. In Spark 1.x, the RDD was the primary application programming interface (API), but as of Spark 2.x use of the Dataset API is encouraged [3] even though the RDD API is not deprecated. [4] [5] The RDD technology still underlies the Dataset API. [6] [7]
Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
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Z-Library (abbreviated as z-lib, formerly BookFinder) is a shadow library project for file-sharing access to scholarly journal articles, academic texts and general-interest books.
Philadelphia star quarterback Jalen Hurts remains in concussion protocol and has been ruled for Sunday's game against the visiting Dallas Cowboys, with the Eagles expected to start Kenny Pickett.
What are the sexual harassment allegations Blake Lively has made against co-star Justin Baldoni? In a meeting on Jan. 4, the complaint says that Lively and her team discussed in detail behavior by ...