dfr rename for dataframe or lazyframe

Signature

> dfr rename {flags} (columns) (new names)

Parameters

• columns: Column(s) to be renamed. A string or list of strings
• new names: New names for the selected column(s). A string or list of strings

Input/output types:

Examples

Renames a series

> [5678] |dfr into-df|dfr rename'0'new_name
╭───┬──────────╮
│# │ new_name │
├───┼──────────┤
│0│5│
│1│6│
│2│7│
│3│8│
╰───┴──────────╯

Renames a dataframe column

> [[ab]; [12] [34]] |dfr into-df|dfr renameaa_new
╭───┬───────┬───╮
│# │ a_new │ b │
├───┼───────┼───┤
│0│1│2│
│1│3│4│
╰───┴───────┴───╯

Renames two dataframe columns

> [[ab]; [12] [34]] |dfr into-df|dfr rename [ab] [a_newb_new]
╭───┬───────┬───────╮
│# │ a_new │ b_new │
├───┼───────┼───────┤
│0│1│2│
│1│3│4│
╰───┴───────┴───────╯

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