indicator variable; dummy variable
Technical term in statistics and econometrics for a binary variable used to represent categorical data in regression models.
In regression analysis, gender is often treated as an indicator variable.
This model includes three indicator variables.
Synonymous with 指示変数; ダミー変数 is the more common term in Japanese statistics texts.
Compound of 指示 (instruction, indication) and 変数 (variable), likely a calque from English 'indicator variable'.