lidavidm commented on code in PR #12460:
URL: https://github.com/apache/arrow/pull/12460#discussion_r846118154
##########
docs/source/python/api/compute.rst:
##########
@@ -45,6 +45,21 @@ Aggregations
tdigest
variance
+Cumulative Functions
+--------------------
+
+Cumulative functions are vector functions that perform a running total on its
+input and outputs an array containing the corresponding intermediate running
values.
Review Comment:
Ah, ok, so it's about the kinds of inputs expected. We can rewrite this to
be explicit that it operates on and returns (chunked) arrays.
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