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they depend, by some law or rule (e.g., by a mathematical function), on the values of other variables. Independent variables, in turn, are not seen as depending...

The chain rule may also be expressed in Leibniz's notation. If a variable z depends on the variable y, which itself depends on the variable x (that is...

Variable rules analysis is a set of statistical analysis methods in linguistics that are commonly used in sociolinguistics and historical linguistics to...

reverse chain rule or change of variables, is a method for evaluating integrals and antiderivatives. It is the counterpart to the chain rule for differentiation...

logic, specifically in deductive reasoning, a rule of inference, inference rule or transformation rule is a logical form consisting of a function which...

PATH is an environment variable on Unix-like operating systems, DOS, OS/2, and Microsoft Windows, specifying a set of directories where executable programs...

may be unclear which variable subsequent uses of the shadowed variable name refer to, which depends on the name resolution rules of the language. One...

following the usual rules of variable scope of the language like any other object, and using their own inheritance and transclusion rules. In the context...

environment variable is a user-definable value that can affect the way running processes will behave on a computer. Environment variables are part of...

In statistics, a categorical variable (also called qualitative variable) is a variable that can take on one of a limited, and usually fixed, number of...

Cunningham's rule assigns a cyclic order to the variables and remembers the last variable to enter the basis. The next entering variable is chosen to...

colloqually that the variable represents or denotes the object, and that the object is the value of the variable. Originally, the term "variable" was used primarily...

overfitting and finding spurious correlations low. The rule states that one predictive variable can be studied for every ten events. For logistic regression...

considering differentiation (chain rule) or integration (integration by substitution). A very simple example of a useful variable change can be seen in the problem...

more than one row for which the minimum is achieved then a dropping variable choice rule can be used to make the determination. Consider the linear program...

First-order logic uses quantified variables over non-logical objects, and allows the use of sentences that contain variables. Rather than propositions such...

In finance, the rule of 72, the rule of 70 and the rule of 69.3 are methods for estimating an investment's doubling time. The rule number (e.g., 72) is...

In physics, a hidden-variable theory is a deterministic physical model which seeks to explain the probabilistic nature of quantum mechanics by introducing...

an amateur variant of American football and Canadian football. The basic rules are similar to those of the mainstream game (called "tackle football" for...

"The Variable" is the 14th television episode of the fifth season of Lost, and the 100th episode overall. It originally aired on the American Broadcasting...