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  2. Character large object - Wikipedia

    en.wikipedia.org/wiki/Character_large_object

    A Character Large OBject (or CLOB) is part of the SQL:1999 standard data types.It is a collection of character data in a database management system, usually stored in a separate location that is referenced in the table itself.

  3. ggplot2 - Wikipedia

    en.wikipedia.org/wiki/Ggplot2

    ggplot2 is an open-source data visualization package for the statistical programming language R.Created by Hadley Wickham in 2005, ggplot2 is an implementation of Leland Wilkinson's Grammar of Graphics—a general scheme for data visualization which breaks up graphs into semantic components such as scales and layers. ggplot2 can serve as a replacement for the base graphics in R and contains a ...

  4. Dataframe - Wikipedia

    en.wikipedia.org/wiki/Dataframe

    Dataframe may refer to: A tabular data structure common to many data processing libraries: pandas (software) § DataFrames; The Dataframe API in Apache Spark;

  5. 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.

  6. R (programming language) - Wikipedia

    en.wikipedia.org/wiki/R_(programming_language)

    R is a programming language for statistical computing and data visualization.It has been adopted in the fields of data mining, bioinformatics and data analysis. [9]The core R language is augmented by a large number of extension packages, containing reusable code, documentation, and sample data.

  7. Graph database - Wikipedia

    en.wikipedia.org/wiki/Graph_database

    Microsoft SQL Server 2017: RC1: Proprietary: SQL/T-SQL, R, Python: Offers graph database abilities to model many-to-many relationships. The graph relationships are integrated into Transact-SQL, and use SQL Server as the foundational database management system. [34] NebulaGraph: 3.7.0: 2024-03: Open Source Edition is under Apache 2.0, Common ...

  8. Resource Description Framework - Wikipedia

    en.wikipedia.org/wiki/Resource_Description_Framework

    RDQL, precursor to SPARQL, SQL-like; Versa, compact syntax (non–SQL-like), solely implemented in 4Suite . RQL, one of the first declarative languages for uniformly querying RDF schemas and resource descriptions, implemented in RDFSuite. [41] SeRQL, part of Sesame; XUL has a template element in which to declare rules for matching data in RDF ...

  9. Data Format Description Language - Wikipedia

    en.wikipedia.org/wiki/Data_Format_Description...

    Data Format Description Language (DFDL, often pronounced daff-o-dil) is a modeling language for describing general text and binary data in a standard way. It was published as an Open Grid Forum Recommendation [ 1 ] in February 2021, and in April 2024 was published as an ISO standard.