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  2. Help:Sortable tables - Wikipedia

    en.wikipedia.org/wiki/Help:Sortable_tables

    Tables can only be sorted vertically by clicking on the column headers (topmost cells). When a column header is clicked, the rows of the table reorder themselves in an up-and-down manner, based on the values in that column. However, there is no functionality to sort columns horizontally by clicking on a cell in the leftmost row.

  3. Wide and narrow data - Wikipedia

    en.wikipedia.org/wiki/Wide_and_narrow_data

    Many statistical and data processing systems have functions to convert between these two presentations, for instance the R programming language has several packages such as the tidyr package. The pandas package in Python implements this operation as "melt" function which converts a wide table to a narrow one. The process of converting a narrow ...

  4. Data orientation - Wikipedia

    en.wikipedia.org/wiki/Data_orientation

    Data orientation refers to how tabular data is represented in a linear memory model such as in-disk or in-memory.The two most common representations are column-oriented (columnar format) and row-oriented (row format). [1] [2] The choice of data orientation is a trade-off and an architectural decision in databases, query engines, and numerical ...

  5. Help:Advanced table formatting - Wikipedia

    en.wikipedia.org/wiki/Help:Advanced_table_formatting

    Edit-tricks are most useful when multiple tables must be changed, then the time needed to develop complex edit-patterns can be applied to each table. For each table, insert an alpha-prefix on each column (making each row-token "|-" to sort as column zero, like prefix "Row124col00"), then sort into a new file, and then de-prefix the column entries.

  6. Unidentified male DNA found on JonBenét’s clothes - AOL

    www.aol.com/evidence-found-scene-jonben-t...

    The key to solving JonBenét Ramsey's murder could lie in evidence found at the scene nearly 30 years ago.. When police searched the 6-year-old’s home in Boulder, Colo., on Dec. 26, 1996, they ...

  7. 'Most Whopper-ful time:' Burger King brings back Whopper ...

    www.aol.com/most-whopper-ful-time-burger...

    The Whopper Melts, on the other hand, return to the Burger King in three different flavors, including Shroom n’ Swiss, Bacon Melt and Classic Melt.

  8. Israeli military kills four doctors in raid on Kamal Adwan ...

    www.aol.com/israeli-military-kills-four-doctors...

    Four doctors were killed at the Kamal Adwan Hospital in besieged northern Gaza on Friday, after Israeli forces stormed the compound, killing and injuring dozens of people in areas surrounding the ...

  9. Data cleansing - Wikipedia

    en.wikipedia.org/wiki/Data_cleansing

    Set-Membership constraints: The values for a column come from a set of discrete values or codes. For example, a person's sex may be Female, Male or Non-Binary. Foreign-key constraints: This is the more general case of set membership. The set of values in a column is defined in a column of another table that contains unique values.