dummy variable

noun

Definition of dummy variable

: an arbitrary mathematical symbol or variable that can be replaced by another without affecting the value of the expression in which it occurs

First Known Use of dummy variable

1957, in the meaning defined above

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The first known use of dummy variable was in 1957

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Cite this Entry

“Dummy variable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dummy%20variable. Accessed 2 Dec. 2020.

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