polars.Expr.cat.set_ordering

Expr.cat.set_ordering(ordering: CategoricalOrdering) → Expr

Determine how this categorical series should be sorted.

Parameters:

ordering{‘physical’, ‘lexical’}

Ordering type:

• ‘physical’ -> Use the physical representation of the categories to determine the order (default).

• ‘lexical’ -> Use the string values to determine the ordering.