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  2. dplyr - Wikipedia

    en.wikipedia.org/wiki/Dplyr

    dplyr is an R package whose set of functions are designed to enable dataframe (a spreadsheet-like data structure) manipulation in an intuitive, user-friendly way. It is one of the core packages of the popular tidyverse set of packages in the R programming language. [1]

  3. 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.

  4. Pole and polar - Wikipedia

    en.wikipedia.org/wiki/Pole_and_polar

    More generally, the polars of all the points on the line q must pass through its pole Q. The relationship between poles and polars is reciprocal. Thus, if a point A lies on the polar line q of a point Q, then the point Q must lie on the polar line a of the point A. The two polar lines a and q need not be parallel.

  5. Clay Aiken Says He Lost '50 Percent' of His Fans When He Came ...

    www.aol.com/clay-aiken-says-lost-50-140000169.html

    Related: Clay Aiken 'Left Music' 10 Years Ago.How Recording a New Christmas Album 'Opened' His 'Eyes' Again (Exclusive) "Back then it was a big deal," says Aiken, who recently marked his return to ...

  6. Comedian Matt Rife calls Whoopi Goldberg 'lazy' for listening ...

    www.aol.com/comedian-matt-rife-calls-whoopi...

    Matt Rife is known for his risqué humor, and Whoopi Goldberg is the latest subject of his jokes after calling the comedy legend "lazy.". The comedian and social media star, whose star has risen ...

  7. Six Democratic lawmakers targeted with bomb threats during ...

    www.aol.com/four-democratic-lawmakers-targeted...

    Murphy’s office said his Hartford home was the target of a bomb threat, “which appears to be part of a coordinated effort involving multiple members of Congress and public figures.”

  8. Polar topology - Wikipedia

    en.wikipedia.org/wiki/Polar_topology

    Since a TVS's topology is completely determined by the open neighborhoods of the origin, this means that via operation of taking the polar of a set, the collection of equicontinuous subsets of ′ "encode" all information about 's topology (i.e. distinct TVS topologies on produce distinct collections of equicontinuous subsets, and given any ...

  9. Siberian Tiger Returns To Chinese Mountain After 30 Years - AOL

    www.aol.com/siberian-tiger-returns-chinese...

    A grainy mobile phone photo of one of the world’s most iconic cats prowling in the snow is offering conservationists hope that an endangered species may be making a comeback.