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  2. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    AGT – (1) agitator, used in drilling. AGT – (2) authorised gas tester (certified by OPITTO) AGT – (3) Azerbaijan – Georgia – Turkey (a region rich in oil related activity) [3] AHBDF – along hole (depth) below Derrick floor. AHD – along hole depth. AHU – air handling unit. AICD – autonomous inflow control device.

  3. Président-directeur général (France) - Wikipedia

    en.wikipedia.org/wiki/Président-directeur...

    In France, Quebec, and New Brunswick, the président-directeur général (PDG) is the highest ranking officer in a société anonyme (SA) operating under a single-tier board of directors, i.e., without a supervisory board. The président-directeur général combines the functions of chair of the board of directors and chief executive officer ...

  4. List of The Magic School Bus episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_The_Magic_School...

    The show's continuity is not necessarily dependent on the order in which the episodes aired. In the first episode aired ("Gets Lost In Space"), Arnold mentions that the class has already been inside a rotten log ("Meets the Rot Squad") and to the bottom of the ocean (various episodes, including "Gets Eaten", "Blows Its Top", and "Ups and Downs").

  5. Shopping cart theory - Wikipedia

    en.wikipedia.org/wiki/Shopping_cart_theory

    Shopping cart theory. The shopping cart theory is an internet meme which judges a person's ethics by whether they return a shopping cart to its designated cart corral or deposit area. The concept became viral online after a 2020 Internet meme which posits that shopping carts present a litmus test for a person's capability of self-governing, as ...

  6. Index of a subgroup - Wikipedia

    en.wikipedia.org/wiki/Index_of_a_subgroup

    In mathematics, specifically group theory, the index of a subgroup H in a group G is the number of left cosets of H in G, or equivalently, the number of right cosets of H in G. The index is denoted or or . Because G is the disjoint union of the left cosets and because each left coset has the same size as H, the index is related to the orders of ...

  7. Log-normal distribution - Wikipedia

    en.wikipedia.org/wiki/Log-normal_distribution

    Then, the distribution of the random variable. is called the log-normal distribution with parameters and . These are the expected value (or mean) and standard deviation of the variable's natural logarithm, not the expectation and standard deviation of itself. Relation between normal and log-normal distribution.

  8. Decision tree learning - Wikipedia

    en.wikipedia.org/wiki/Decision_tree_learning

    v. t. e. Decision tree learning is a supervised learning approach used in statistics, data mining and machine learning. In this formalism, a classification or regression decision tree is used as a predictive model to draw conclusions about a set of observations. Tree models where the target variable can take a discrete set of values are called ...

  9. Program dependence graph - Wikipedia

    en.wikipedia.org/wiki/Program_Dependence_Graph

    A Program Dependence Graph (PDG) is a directed graph of a program's control and data dependencies. Nodes represent program statements and edges represent dependencies between these statements. PDGs are used in optimization, debugging, and understanding program behavior. One example of this is their utilization by compilers during dependence ...