code: def analyze(
      self, node: PipelineNode, is_dispersion_analysis: bool = False
  ) -> Union[dict, float]:
      # check whether the pipeline is fitted
      if not self._pipeline.is_fitted:
          self._pipeline.fit(self._train_data)
  
      # create problem
      self.operation_type = node.operation.operation_type
      self.problem = OneOperationProblem(
          operation_types=[self.operation_type]
      )
  
      # sample
      samples = self.sample(self.requirements.sample_size, node)
  
      response_matrix = self._get_response_matrix(samples)
      indices = self.analyze_method(
          self.problem.dictionary, samples, response_matrix
      )
      converted_to_json_indices = self._convert_indices_to_json(
          problem=self.problem, si=indices
      )
  
      # Analyze the dispersion of params
      if is_dispersion_analysis:
          self._dispersion_analysis(
              node=node, sample_size=self.requirements.sample_size
          )
  
      return converted_to_json_indices
  
imports: from copy import deepcopy
  from os.path import join
  from threading import Lock, Thread
  from typing import List, Union
  import matplotlib.pyplot
  import numpy
  from golem.core.log import default_log
  from sklearn.metrics import mean_squared_error
  from fedot.core.data.data import InputData
  from fedot.core.operations.operation_template import extract_operation_params
  from fedot.core.pipelines.node import PipelineNode
  from fedot.core.pipelines.pipeline import Pipeline
  from fedot.core.utils import default_fedot_data_dir
  from fedot.structural_analysis.node_sa_approaches import NodeAnalyzeApproach
  from fedot.structural_analysis.operations_hp_sensitivity.problem import OneOperationProblem
  from fedot.structural_analysis.operations_hp_sensitivity.sa_and_sample_methods import analyze_method_by_name, sample_method_by_name
  from fedot.structural_analysis.sa_requirements import HyperparamsAnalysisMetaParams, SensitivityAnalysisRequirements
label_desc: Use image node_id 2 for calling the OneOperationHPAnalyze obj's underlying member method code with example usage: obj.analyze(node, is_dispersion_analysis) and returns: converted_to_json_indices