dfr last
for dataframe
Creates new dataframe with tail rows or creates a last expression.
Signature
> dfr last (rows)
Parameters
rows
: Number of rows for tail
Input/output types:
input | output |
---|---|
any | any |
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
Tips: Dataframe commands were not shipped in the official binaries by default, you have to build it with --features=dataframe
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