Rolling Agg
Row-based; Calculates a rolling aggregate based on a relative row window.
Pass in order_by columns and offsets to create a row-based look-back or look-forward windows.
Example use case: Aggregate the last 10 sales for a customer regardless of when they occurred.
Parameters
aggregations
agg_dict
Dictionary of columns and aggregate functions to apply. A column can have a list of multiple aggregates applied. One column will be created for each column:aggregate pair.
order_by
column_list
Column(s) to order rows by when calculating the agg window
offsets
int_list
List of numeric values to offset the date column. Positive values apply a look-back window. Negative values apply a look-forward window. One column will be created for each offset value.
group_by
column_list
Column(s) to group by when calculating the agg window
True
Example
Source Code
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