Timestream.with_key

Timestream.with_key(key, grouping=None)

Return a Timestream with a new grouping by key.

Parameters:

• key (Arg)

  The new key to use for the grouping.

• grouping (Optional[str], default: None)

  A string literal naming the new grouping. If no grouping is specified,

  one will be computed from the type of the key.