Function AddStddevAggKernels

cpp/src/arrow/compute/kernels/aggregate_var_std.cc:324–330

    "SkewOptions"};

std::shared_ptr<ScalarAggregateFunction> AddStddevAggKernels() {
  static const auto default_std_options = VarianceOptions::Defaults();
  auto func = std::make_shared<ScalarAggregateFunction>("stddev", Arity::Unary(),
                                                        stddev_doc, &default_std_options);
  AddStatisticKernels(StatisticInit<VarianceOptions, StatisticType::Std>, func.get());
  return func;
}

std::shared_ptr<ScalarAggregateFunction> AddVarianceAggKernels() {
  static const auto default_var_options = VarianceOptions::Defaults();