Levels | R Documentation |
Gives the levels of a variable.
Levels(x)
x |
A variable for which the different levels should be printed. |
For details, see Van der Elst (2023).
No return value, called for side effects.
Wim Van der Elst
Van der Elst, W. (2024). Regression-based normative data for psychological assessment: A hands-on approach using R. Springer Nature.
data(Substitution)
Levels(Substitution$Gender)
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