dfr last for dataframe

Creates new dataframe with tail rows or creates a last expression.

WARNING

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

Signature

> dfr last {flags} (rows)

Parameters

  • rows: Number of rows for tail

Input/output types:

inputoutput
anyany

Examples

Create new dataframe with last rows

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

Creates a last expression from a column

> dfr col a | dfr last