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dummy variable

British  

noun

  1. a variable appearing in a mathematical expression that can be replaced by any arbitrary variable, not occurring in the expression, without affecting the value of the whole

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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An example of the use of a dummy variable is the work estimating the impact of gender on salaries.

From Textbooks Nov. 29, 2017

It may be that the dummy variable has more than a simple shift effect on the dependent variable, but also interacts with one or more of the other continuous independent variables.

From Textbooks Nov. 29, 2017

The binary variable, our dummy variable of interest in this analysis, is gender where male is given a value of 1 and female given a value of 0.

From Textbooks Nov. 29, 2017

Note that when the dummy variable, X2 = 0 the interaction variable has a value of 0, but when X2 = 1 the interaction variable has a value of X1.

From Textbooks Nov. 29, 2017

The variable v acts as a dummy variable that disappears after integration, leaving the arc length as a function of time t.

From Textbooks Mar. 30, 2016

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