ibis.window¶
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ibis.
window
(preceding=None, following=None, group_by=None, order_by=None)¶ Create a window clause for use with window (analytic and aggregate) functions.
All window frames / ranges are inclusive.
Parameters: preceding : int, tuple, or None, default None
Specify None for unbounded, 0 to include current row tuple for off-center window
following : int, tuple, or None, default None
Specify None for unbounded, 0 to include current row tuple for off-center window
group_by : expressions, default None
Either specify here or with TableExpr.group_by
order_by : expressions, default None
For analytic functions requiring an ordering, specify here, or let Ibis determine the default ordering (for functions like rank)
Returns: win : ibis Window