---
title: "<(_:_:)"
framework: createml
role: symbol
role_heading: Operator
path: "createml/mldatacolumn/_(_:_:)-33lwa"
---

# <(_:_:)

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

## Declaration

```swift
static func < (a: Element, b: MLDataColumn<Element>) -> MLDataColumn<Bool>
```

## Parameters

- `a`: A value of the same type as the elements of the column.
- `b`: A column.

## Return Value

Return Value A new column of Booleans.

## See Also

### Comparing a value with a column to generate a column of booleans

- [==(_:_:)](createml/mldatacolumn/==(_:_:)-6zz2o.md)
- [!=(_:_:)](createml/mldatacolumn/!=(_:_:)-4477j.md)
- [<=(_:_:)](createml/mldatacolumn/_=(_:_:)-3fx6w.md)
- [>(_:_:)](createml/mldatacolumn/_(_:_:)-6irjn.md)
- [>=(_:_:)](createml/mldatacolumn/_=(_:_:)-8e3ur.md)