# between Return a Boolean DataColumn indicating whether each value lies between two bounds. Return a Boolean DataColumn indicating whether each value lies between two bounds. Return a Boolean DataColumn indicating whether each value lies between two bounds. Returns a [`DataColumn`](DataColumn.md) of `Boolean` values indicating whether each element in this column lies between the given lower and upper boundaries. If `includeBoundaries` is `true` (default), values equal to the lower or upper boundary are also considered in range. ```kotlin col.between(left, right, includeBoundaries) ``` ### Examples ```kotlin df ``` Check ages are between 18 and 25 inclusive: ```kotlin df.age.between(left = 18, right = 25) ``` Strictly between 18 and 25 (excluding boundaries): ```kotlin df.age.between(left = 18, right = 25, includeBoundaries = false) ```