dfr melt for dataframe

Signature

> dfr melt {flags}

Flags

• --columns, -c {table}: column names for melting
• --values, -v {table}: column names used as value columns
• --variable-name, -r {string}: optional name for variable column
• --value-name, -l {string}: optional name for value column

Input/output types:

Examples

melt dataframe

> [[abcd]; [x14a] [y25b] [z36c]] |dfr into-df|dfr melt-c [bc] -v [ad]
╭───┬───┬───┬──────────┬───────╮
│# │ b │ c │ variable │ value │
├───┼───┼───┼──────────┼───────┤
│0│1│4│a│x│
│1│2│5│a│y│
│2│3│6│a│z│
│3│1│4│d│a│
│4│2│5│d│b│
│5│3│6│d│c│
╰───┴───┴───┴──────────┴───────╯

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