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  2. Data Analysis Expressions - Wikipedia

    en.wikipedia.org/wiki/Data_Analysis_eXpressions

    Data Analysis Expressions (DAX) is the native formula and query language for Microsoft PowerPivot, Power BI Desktop and SQL Server Analysis Services (SSAS) Tabular models. DAX includes some of the functions that are used in Excel formulas with additional functions that are designed to work with relational data and perform dynamic aggregation.

  3. Microsoft Power BI - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Power_BI

    The first release of Power BI was based on the Microsoft Excel-based add-ins: Power Query, Power Pivot and Power View. With time, Microsoft also added many additional features like question and answers, enterprise-level data connectivity, and security options via Power BI Gateways. [10] Power BI was first released to the general public on 24 ...

  4. Microsoft Power Fx - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Power_Fx

    Microsoft Power Fx is a free and open source low-code, general-purpose programming language for expressing logic across the Microsoft Power Platform. [1] [2] [3] It was first announced at Ignite 2021 and the specification was released in March 2021. [4] [5] It is based on spreadsheet-like formulas to make it accessible to large numbers of ...

  5. Query language - Wikipedia

    en.wikipedia.org/wiki/Query_language

    M Formula language, a mashup query language used in Microsoft's Power Query; MQL is a cheminformatics query language for a substructure search allowing beside nominal properties also numerical properties; MDX is a query language for OLAP databases; N1QL is a Couchbase's query language finding data in Couchbase Servers; Object Query Language

  6. MultiDimensional eXpressions - Wikipedia

    en.wikipedia.org/wiki/MultiDimensional_eXpressions

    The MultiDimensional eXpressions (MDX) language provides a specialized syntax for querying and manipulating the multidimensional data stored in OLAP cubes. [1] While it is possible to translate some of these into traditional SQL, it would frequently require the synthesis of clumsy SQL expressions even for very simple MDX expressions.

  7. Polynomial regression - Wikipedia

    en.wikipedia.org/wiki/Polynomial_regression

    Polynomial regression models are usually fit using the method of least squares.The least-squares method minimizes the variance of the unbiased estimators of the coefficients, under the conditions of the Gauss–Markov theorem.

  8. Method of analytic tableaux - Wikipedia

    en.wikipedia.org/wiki/Method_of_analytic_tableaux

    A graphical representation of a partially built propositional tableau. In proof theory, the semantic tableau [1] (/ t æ ˈ b l oʊ, ˈ t æ b l oʊ /; plural: tableaux), also called an analytic tableau, [2] truth tree, [1] or simply tree, [2] is a decision procedure for sentential and related logics, and a proof procedure for formulae of first-order logic. [1]

  9. McClellan oscillator - Wikipedia

    en.wikipedia.org/wiki/McClellan_Oscillator

    The simplified formula for determining the oscillator is: = () where advances is the number of the NYSE listed stocks which are traded above their previous day close and "declines" is the number of the NYSE listed stocks traded below their previous day close.