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2. Codomain - Wikipedia

   en.wikipedia.org/wiki/Codomain

   In mathematics, a codomain or set of destination of a function is a set into which all of the output of the function is constrained to fall. It is the set Y in the notation f: X → Y. The term range is sometimes ambiguously used to refer to either the codomain or the image of a function. A codomain is part of a function f if f is defined as a ...

3. Weight function - Wikipedia

   en.wikipedia.org/wiki/Weight_function

   A weight function is a mathematical device used when performing a sum, integral, or average to give some elements more "weight" or influence on the result than other elements in the same set. The result of this application of a weight function is a weighted sum or weighted average. Weight functions occur frequently in statistics and analysis ...

4. Change of base - Wikipedia

   en.wikipedia.org/wiki/Change_of_base

   In mathematics, change of base can mean any of several things: Changing numeral bases, such as converting from base 2 (binary) to base 10 (decimal). This is known as base conversion. The logarithmic change-of-base formula, one of the logarithmic identities used frequently in algebra and calculus. The method for changing between polynomial and ...

5. Hierarchy (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Hierarchy_(mathematics)

   Hierarchy (mathematics) In mathematics, a hierarchy is a set-theoretical object, consisting of a preorder defined on a set. This is often referred to as an ordered set, though that is an ambiguous term that many authors reserve for partially ordered sets or totally ordered sets. The term pre-ordered set is unambiguous, and is always synonymous ...

6. Covariance and correlation - Wikipedia

   en.wikipedia.org/wiki/Covariance_and_correlation

   correlation. so that. where E is the expected value operator. Notably, correlation is dimensionless while covariance is in units obtained by multiplying the units of the two variables. If Y always takes on the same values as X, we have the covariance of a variable with itself (i.e. ), which is called the variance and is more commonly denoted as ...

7. Beyoncé Shows Off Her Wash Day Routine and Gives a Rare ...

   www.aol.com/beyonc-shows-off-her-wash-192811594.html

   Beyonce. Beyoncé with the good hair. The 43-year-old superstar gave fans a rare glimpse into her haircare routine with an in-depth wash day video shared on Monday, Sept. 9. Using products from ...

8. Predicate (mathematical logic) - Wikipedia

   en.wikipedia.org/wiki/Predicate_(mathematical_logic)

   A predicate is a statement or mathematical assertion that contains variables, sometimes referred to as predicate variables, and may be true or false depending on those variables’ value or values. In propositional logic, atomic formulas are sometimes regarded as zero-place predicates. [1] In a sense, these are nullary (i.e. 0- arity) predicates.

9. Susan C. Schwab - Pay Pals - The Huffington Post

   data.huffingtonpost.com/paypals/susan-c-schwab

   Susan C. Schwab. Between 2008 and 2012 she made. $3,210,235. as a director, more than 96% of all directors. Paid CEOs an average of. $21,179,950. in the last year of her directorship, more than 71% of all directors. Increased CEO pay by an average of. $9,210,227.