class_docstr: Stores moments of sum of random independent random variables.
class_docstr_tok: ["Stores","moments","of","sum","of","random","independent","random","variables","."]
code: def __add__(
      self, other: "SumOfRandomVariablesMoments"
  ) -> "SumOfRandomVariablesMoments":
      return SumOfRandomVariablesMoments(
          self.count + other.count,
          self.expectation + other.expectation,
          self.variance + other.variance,
          self.third_central_moment + other.third_central_moment,
      )
  
imports: import abc
  import copy
  from dataclasses import dataclass
  from typing import Any, List, Optional, Tuple
  import numpy
  import math
  import pipeline_dp
  from pipeline_dp import budget_accounting
  from pipeline_dp import dp_computations
  from analysis import metrics
  from analysis import poisson_binomial
  from pipeline_dp import partition_selection
label_desc: Use image node_id 1 for calling the SumOfRandomVariablesMoments obj's underlying member method code with example usage: obj.__add__(other) and returns: SumOfRandomVariablesMoments