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  2. Inclusion–exclusion principle - Wikipedia

    en.wikipedia.org/wiki/Inclusion–exclusion...

    In the given example, there are 12 = 2(3!) permutations with property P 1, 6 = 3! permutations with property P 2 and no permutations have properties P 3 or P 4 as there are no restrictions for these two elements. The number of permutations satisfying the restrictions is thus: 4! − (12 + 6 + 0 + 0) + (4) = 24 − 18 + 4 = 10.

  3. Listwise deletion - Wikipedia

    en.wikipedia.org/wiki/Listwise_deletion

    [2] [3] Statistical power relies in part on high sample size. Because listwise deletion excludes data with missing values, it reduces the sample which is being statistically analysed. Listwise deletion is also problematic when the reason for missing data may not be random (i.e., questions in questionnaires aiming to extract sensitive ...

  4. Help:Switch parser function - Wikipedia

    en.wikipedia.org/wiki/Help:Switch_parser_function

    Each branch can be a value, an expression (calculation), or a template call, [1] evaluated and compared to match the value of the switch. Although many #switch structures are used to branch among a simple set of values, the branches can also include boolean expressions to act as a set of pre-conditions to be tested until one tests true, acting ...

  5. What is Cover 2 defense? Two-high coverages in the NFL ... - AOL

    www.aol.com/cover-2-defense-two-high-201430076.html

    Here's what to know about Cover 2 defense. ... NFL teams are also averaging 2.5 sacks per game so far in 2024 and the league-wide sack rate of 7.7% is the highest figure since 1992. Defenses are ...

  6. Cover's theorem - Wikipedia

    en.wikipedia.org/wiki/Cover's_Theorem

    Cover's theorem is a statement in computational learning theory and is one of the primary theoretical motivations for the use of non-linear kernel methods in machine learning applications. It is so termed after the information theorist Thomas M. Cover who stated it in 1965, referring to it as counting function theorem .

  7. Programming language - Wikipedia

    en.wikipedia.org/wiki/Programming_language

    This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Language for communicating instructions to a machine The source code for a computer program in C. The gray lines are comments that explain the program to humans. When compiled and run, it will give the output "Hello, world!". A programming language is a system of notation for writing ...

  8. Unit testing - Wikipedia

    en.wikipedia.org/wiki/Unit_testing

    Unit is defined as a single behaviour exhibited by the system under test (SUT), usually corresponding to a requirement [definition needed].While it may imply that it is a function or a module (in procedural programming) or a method or a class (in object-oriented programming) it does not mean functions/methods, modules or classes always correspond to units.

  9. Law of excluded middle - Wikipedia

    en.wikipedia.org/wiki/Law_of_excluded_middle

    In logic, the law of excluded middle or the principle of excluded middle states that for every proposition, either this proposition or its negation is true. [1] [2] It is one of the three laws of thought, along with the law of noncontradiction, and the law of identity; however, no system of logic is built on just these laws, and none of these laws provides inference rules, such as modus ponens ...