dfr is-duplicated for dataframe

Creates mask indicating duplicated values.

WARNING

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

Signature

> dfr is-duplicated {flags}

Input/output types:

inputoutput
anyany

Examples

Create mask indicating duplicated values

> [5 6 6 6 8 8 8] | dfr into-df | dfr is-duplicated
╭───┬───────────────╮
 # │ is_duplicated │
├───┼───────────────┤
 0  false         
 1  true          
 2  true          
 3  true          
 4  true          
 5  true          
 6  true          
╰───┴───────────────╯

Create mask indicating duplicated rows in a dataframe

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