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[https://deepai.org/machine-learning-glossary-and-terms/dummy-variable Source : DeepAI.org ] | [https://deepai.org/machine-learning-glossary-and-terms/dummy-variable Source : DeepAI.org ] | ||
[https://www.analyticsvidhya.com/glossary-of-common-statistics-and-machine-learning-terms/ Source : analyticsvidhya.com ] | |||
[[Catégorie:DeepAI.org]] | [[Catégorie:DeepAI.org]] | ||
[[Catégorie:vocabulary]] | [[Catégorie:vocabulary]] | ||
Version du 29 décembre 2020 à 21:32
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Définition
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Dummy Variable
Generally, a dummy variable is a placeholder for a variable that will be integrated over, summed over, or marginalized. However, in machine learning, it often describes the individual variables in a one-hot encoding scheme. Thus, dummy or Boolean variables are qualitative variables that can only take the value 0 or 1 to indicate the absence or presence of a specified condition. These “truth” variables are used to sort data into mutually exclusive categories or to trigger off/on commands.
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