UNIQUE
returns the distinct values from a range or array · from excel · excel: verified match · sheets: verified match
signature
UNIQUE(array, [by_col], [exactly_once])
returns: array
| argument | required |
|---|---|
| array | required |
| by_col | optional · defaults to 0 |
| exactly_once | optional · defaults to 0 |
examples
formula and result, taken from the engine's own test suite — every result below is asserted in CI, not written by hand.
| A | |
|---|---|
| 1 | 10 |
| 2 | 20 |
| 3 | 30 |
| 4 | 40 |
| 5 | 50 |
fx
=UNIQUE(A1:A10) 10 related
- ARRAY_CONSTRAIN truncates a range to at most the given rows and columns
- ARRAYFORMULA evaluates an expression across a range (this engine already spills, so it is a pass-through for sheets compatibility)
- ARRAYTOTEXT converts array to text representation
- BYCOL applies lambda to each column of array
- BYROW applies lambda to each row of array
- CHOOSECOLS returns the specified columns from an array