turicreate.aggregate.SUM — Turi Create API 6.4.1 documentation (original) (raw)

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turicreate.aggregate. SUM(src_column)¶

Builtin sum aggregator for groupby.

Example: Get the sum of the rating column for each user. If src_column is of array type, if array’s do not match in length a NoneType is returned in the destination column.

sf.groupby("user", ... {'rating_sum':tc.aggregate.SUM('rating')})