Operator

<(_:_:)

Creates a column of Booleans by testing whether the given value is less than each element in the given column.

Declaration

Parameters

a

A value.

b

A column.

Return Value

A new column of Booleans if the column and value have the same underlying type; otherwise an invalid column.

See Also

Comparing a Value with a Column to Generate an Untyped Column of Booleans

static func == (MLDataValueConvertible, MLUntypedColumn) -> MLUntypedColumn

Creates a column of Booleans by testing whether the given value is equal to each element in the given column.

static func != (MLDataValueConvertible, MLUntypedColumn) -> MLUntypedColumn

Creates a column of Booleans by testing whether the given value is not equal to each element in the given column.

static func <= (MLDataValueConvertible, MLUntypedColumn) -> MLUntypedColumn

Creates a column of Booleans by testing whether the given value is less than or equal to each element in the given column.

static func > (MLDataValueConvertible, MLUntypedColumn) -> MLUntypedColumn

Creates a column of Booleans by testing whether the given value is greater than each element in the given column.

static func >= (MLDataValueConvertible, MLUntypedColumn) -> MLUntypedColumn

Creates a column of Booleans by testing whether the given value is greater than or equal to each element in the given column.