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→Types of variable
flowchart TB
a[Variable]
b[*Quantitative<br>*Numerical] bb[Covariate<br>(only as explanatory)] c[*Categorical<br>*Nominal] cc[Factor<br>(only as explanatory)]
d[Continuous]
e[Discrete<br>Integer]
h[Ordinal<br>Ordered]
a --- b & c
b --- bb --- d & e c --- cc --- f & g & h
}}
* *Quantitative/numerical variable is also called as '''covariate''' when it is an explanatory (independent) variable
* *Categorical/nominal variable is also called as '''factor''' when it is an explanatory (independent) variable
==Ratio, Rate, Proportion==
