Function AddVarianceAggKernels

cpp/src/arrow/compute/kernels/aggregate_var_std.cc:332–338

}

std::shared_ptr<ScalarAggregateFunction> AddVarianceAggKernels() {
  static const auto default_var_options = VarianceOptions::Defaults();
  auto func = std::make_shared<ScalarAggregateFunction>(
      "variance", Arity::Unary(), variance_doc, &default_var_options);
  AddStatisticKernels(StatisticInit<VarianceOptions, StatisticType::Var>, func.get());
  return func;
}

std::shared_ptr<ScalarAggregateFunction> AddSkewAggKernels() {
  static const auto default_options = SkewOptions::Defaults();