Function Mean

cpp/src/arrow/compute/api_aggregate.cc:232–235

}

Result<Datum> Mean(const Datum& value, const ScalarAggregateOptions& options,
                   ExecContext* ctx) {
  return CallFunction("mean", {value}, &options, ctx);
}

Result<Datum> Product(const Datum& value, const ScalarAggregateOptions& options,
                      ExecContext* ctx) {