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  2. Apache Spark - Wikipedia

    en.wikipedia.org/wiki/Apache_Spark

    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]

  3. Set function - Wikipedia

    en.wikipedia.org/wiki/Set_function

    The only translation-invariant measure on = with domain ℘ that is finite on every compact subset of is the trivial set function ℘ [,] that is identically equal to (that is, it sends every to ) [6] However, if countable additivity is weakened to finite additivity then a non-trivial set function with these properties does exist and moreover ...

  4. Nested set model - Wikipedia

    en.wikipedia.org/wiki/Nested_set_model

    The nested set model is a technique for representing nested set collections (also known as trees or hierarchies) in relational databases. It is based on Nested Intervals, that "are immune to hierarchy reorganization problem, and allow answering ancestor path hierarchical queries algorithmically — without accessing the stored hierarchy relation".

  5. Training, validation, and test data sets - Wikipedia

    en.wikipedia.org/wiki/Training,_validation,_and...

    A training data set is a data set of examples used during the learning process and is used to fit the parameters (e.g., weights) of, for example, a classifier. [9] [10]For classification tasks, a supervised learning algorithm looks at the training data set to determine, or learn, the optimal combinations of variables that will generate a good predictive model. [11]

  6. Pamela Anderson Clarifies She 'Never Was Married' to Jon ...

    www.aol.com/pamela-anderson-clarifies-she-never...

    Pamela Anderson and movie producer Jon Peters were widely reported to be married briefly in January 2020, though Anderson has since said they never legally wed

  7. Fed officials call for 'gradual' and 'modest' rate cuts - AOL

    www.aol.com/finance/feds-logan-doubles-down...

    Three Federal Reserve officials reiterated Monday that they see the central bank moving gradually to lower rates, giving the Fed time to assess any uncertainties associated with the job market and ...

  8. Data processing - Wikipedia

    en.wikipedia.org/wiki/Data_processing

    A data processing system is a combination of machines, people, and processes that for a set of inputs produces a defined set of outputs. The inputs and outputs are interpreted as data , facts , information etc. depending on the interpreter's relation to the system.

  9. Play Pinochle Online for Free - AOL.com

    www.aol.com/games/play/masque-publishing/pinochle

    Aces around, dix or double pinochles. Score points by trick-taking and also by forming combinations of cards into melds.

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