dfr rolling for dataframe

Rolling calculation for a series.

WARNING

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

Signature

> dfr rolling {flags} (type) (window)

Parameters

  • type: rolling operation
  • window: Window size for rolling

Input/output types:

inputoutput
anyany

Examples

Rolling sum for a series

> [1 2 3 4 5] | dfr into-df | dfr rolling sum 2 | dfr drop-nulls
╭───┬───────────────╮
 # │ 0_rolling_sum │
├───┼───────────────┤
 0              3 
 1              5 
 2              7 
 3              9 
╰───┴───────────────╯

Rolling max for a series

> [1 2 3 4 5] | dfr into-df | dfr rolling max 2 | dfr drop-nulls
╭───┬───────────────╮
 # │ 0_rolling_max │
├───┼───────────────┤
 0              2 
 1              3 
 2              4 
 3              5 
╰───┴───────────────╯