Boolean#

Expr.all(*[, ignore_nulls])

Return whether all values in the column are True.

Expr.any(*[, ignore_nulls])

Return whether any of the values in the column are True.

Expr.is_between(lower_bound, upper_bound[, ...])

Check if this expression is between the given lower and upper bounds.

Expr.is_duplicated()

Return a boolean mask indicating duplicated values.

Expr.is_finite()

Returns a boolean Series indicating which values are finite.

Expr.is_first()

Return a boolean mask indicating the first occurrence of each distinct value.

Expr.is_first_distinct()

Return a boolean mask indicating the first occurrence of each distinct value.

Expr.is_in(other)

Check if elements of this expression are present in the other Series.

Expr.is_infinite()

Returns a boolean Series indicating which values are infinite.

Expr.is_last()

Return a boolean mask indicating the last occurrence of each distinct value.

Expr.is_last_distinct()

Return a boolean mask indicating the last occurrence of each distinct value.

Expr.is_nan()

Returns a boolean Series indicating which values are NaN.

Expr.is_not()

Negate a boolean expression.

Expr.is_not_nan()

Returns a boolean Series indicating which values are not NaN.

Expr.is_not_null()

Returns a boolean Series indicating which values are not null.

Expr.is_null()

Returns a boolean Series indicating which values are null.

Expr.is_unique()

Get mask of unique values.

Expr.not_()

Negate a boolean expression.