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dfr is-unique for dataframe

Creates mask indicating unique values.

Signature

> dfr is-unique {flags}

Input/output types:

input output
any any

Examples

Create mask indicating unique values

> [5666888] |dfr into-df|dfr is-unique
╭───┬───────────╮
│# │ is_unique │
├───┼───────────┤
│0│true│
│1│false│
│2│false│
│3│false│
│4│false│
│5│false│
│6│false│
╰───┴───────────╯

Create mask indicating duplicated rows in a dataframe

> [[a, b]; [12] [12] [33] [33] [11]] |dfr into-df|dfr is-unique
╭───┬───────────╮
│# │ is_unique │
├───┼───────────┤
│0│false│
│1│false│
│2│false│
│3│false│
│4│true│
╰───┴───────────╯

Tips: Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe flag

Copyright © 2019–2023 The Nushell Project DevelopersLicensed under the MIT License.
https://www.nushell.sh/commands/docs/dfr_is-unique.html