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dummy variable

British

noun

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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dummy variable

Any of the other independent variables could have been chosen to illustrate the effect of the dummy variable.

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

A more complex interaction between a dummy variable and the dependent variable can also be estimated.

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

This occurs because of the new variable X2 X1, called the interaction variable, was created to allow for an effect on the slope of X1 from changes in X2, the binary dummy variable.

From Textbooks ● Nov. 29, 2017

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