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  2. Join and meet - Wikipedia

    en.wikipedia.org/wiki/Join_and_meet

    In general, the join and meet of a subset of a partially ordered set need not exist. Join and meet are dual to one another with respect to order inversion. A partially ordered set in which all pairs have a join is a join-semilattice. Dually, a partially ordered set in which all pairs have a meet is a meet-semilattice.

  3. pandas (software) - Wikipedia

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

    However, if data is a DataFrame, then data['a'] returns all values in the column(s) named a. To avoid this ambiguity, Pandas supports the syntax data.loc['a'] as an alternative way to filter using the index. Pandas also supports the syntax data.iloc[n], which always takes an integer n and returns the nth value, counting from 0. This allows a ...

  4. Row and column vectors - Wikipedia

    en.wikipedia.org/wiki/Row_and_column_vectors

    The transpose (indicated by T) of any row vector is a column vector, and the transpose of any column vector is a row vector: […] = [] and [] = […]. The set of all row vectors with n entries in a given field (such as the real numbers ) forms an n -dimensional vector space ; similarly, the set of all column vectors with m entries forms an m ...

  5. What are the healthiest nuts for weight loss? The No. 1 pick ...

    www.aol.com/news/healthiest-nuts-weight-loss-no...

    At six grams per ounce, pistachios are packing tons of protein. They also are high in vitamin B6, which helps with brain development and immune system health, according to the Mayo Clinic. "Since ...

  6. Complete lattice - Wikipedia

    en.wikipedia.org/wiki/Complete_lattice

    The meet is denoted by , and the join by . In the special case where A is the empty set, the meet of A is the greatest element of L. Likewise, the join of the empty set is the least element of L. Then, complete lattices form a special class of bounded lattices.

  7. Tyson Foods closing processing plant in Kansas after other ...

    www.aol.com/tyson-foods-closing-processing-plant...

    A WARN notice from Kansasworks posted Monday said 809 employees at the Tyson plant in Emporia are affected. A WARN notice is required by federal law to provide workers with advance notice of a ...

  8. Meghan Markle Just Gave Herself a New Title—Here’s What We Know

    www.aol.com/lifestyle/meghan-markle-just-gave...

    After months of searching for the right person to lead her lifestyle brand, Meghan Markle has reportedly decided to take the reins herself, appointing herself CEO of American Riviera Orchard.. The ...

  9. Column (database) - Wikipedia

    en.wikipedia.org/wiki/Column_(database)

    A column may contain text values, numbers, or even pointers to files in the operating system. [2] Columns typically contain simple types, though some relational database systems allow columns to contain more complex data types, such as whole documents, images, or even video clips. [3] [better source needed] A column can also be called an attribute.