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  2. pandas (software) - Wikipedia

    en.wikipedia.org/wiki/Pandas_(software)

    [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.

  3. Associative array - Wikipedia

    en.wikipedia.org/wiki/Associative_array

    The program can create a complete text representation of any group of objects by calling these methods, which are almost always already implemented in the base associative array class. [ 23 ] For programs that use very large data sets, this sort of individual file storage is not appropriate, and a database management system (DB) is required.

  4. Polar code (coding theory) - Wikipedia

    en.wikipedia.org/wiki/Polar_code_(coding_theory)

    Primarily, the original design of the polar codes achieves capacity when block sizes are asymptotically large with a successive cancellation decoder. However, with the block sizes used in industry, the performance of the successive cancellation is poor compared to well-defined and implemented coding schemes such as low-density parity-check code ...

  5. ‘Brain Rot’ is Oxford’s Word of the Year - AOL

    www.aol.com/brain-rot-oxford-word-091013808.html

    If you’ve been scrolling too long on social media, you might be suffering from “brain rot,” the word of 2024, per the publisher of the Oxford English Dictionary. After public consultation ...

  6. Data structure - Wikipedia

    en.wikipedia.org/wiki/Data_structure

    A data structure known as a hash table.. In computer science, a data structure is a data organization and storage format that is usually chosen for efficient access to data. [1] [2] [3] More precisely, a data structure is a collection of data values, the relationships among them, and the functions or operations that can be applied to the data, [4] i.e., it is an algebraic structure about data.

  7. Travis Hunter, Colorado’s dynamic two-way star, wins the ...

    www.aol.com/travis-hunter-colorado-dynamic-two...

    An emotional Hunter hugged his Colorado head coach and former NFL cornerback Deion Sanders, among others, as he made his way up to the stage of the Heisman Trophy ceremony in New York.

  8. Romney stands by Trump criticism but says MAGA is now the ...

    www.aol.com/romney-stands-trump-criticism-says...

    Sen. Mitt Romney, a frequent Donald Trump critic who will soon retire from Congress, stood by his criticism of the president-elect’s character but said Trump and his MAGA movement now define the ...

  9. Sparse dictionary learning - Wikipedia

    en.wikipedia.org/wiki/Sparse_dictionary_learning

    Sparse dictionary learning (also known as sparse coding or SDL) is a representation learning method which aims to find a sparse representation of the input data in the form of a linear combination of basic elements as well as those basic elements themselves. These elements are called atoms, and they compose a dictionary.