class_docstr: Defines the ErrorReport, which contains the tree and matrix filter.
  
  :param tree: The representation of the tree.
  :type tree: dict
  :param matrix: The representation of the matrix filter.
  :type matrix: dict
  :param id: The unique identifier for the ErrorReport.
      A new unique id is created if none is specified.
  :type id: str
class_docstr_tok: ["Defines","the","ErrorReport",",","which","contains","the","tree","and","matrix","filter",".",":","param","tree",":","The","representation","of","the","tree",".",":","type","tree",":","dict",":","param","matrix",":","The","representation","of","the","matrix","filter",".",":","type","matrix",":","dict",":","param","id",":","The","unique","identifier","for","the","ErrorReport",".","A","new","unique","id","is","created","if","none","is","specified",".",":","type","id",":","str"]
docstr: Returns the root cohort statistics.
  
  The root cohort statistics are displayed for both the
  heatmap and tree view.  They include the metric name
  and value for the all data cohort.
  
  :return: The root all data cohort statistics.
  :rtype: dict
docstr_tok: ["Returns","the","root","cohort","statistics",".","The","root","cohort","statistics","are","displayed","for","both","the","heatmap","and","tree","view",".","They","include","the","metric","name","and","value","for","the","all","data","cohort",".",":","return",":","The","root","all","data","cohort","statistics",".",":","rtype",":","dict"]
code: def root_stats(self):
      """Returns the root cohort statistics.
  
      The root cohort statistics are displayed for both the
      heatmap and tree view.  They include the metric name
      and value for the all data cohort.
  
      :return: The root all data cohort statistics.
      :rtype: dict
      """
      return self._root_stats
  
file_path: responsible-ai-toolbox/erroranalysis/erroranalysis/report/error_report.py
imports: import json
  import uuid
  from raiutils.data_processing import serialize_json_safe
label_desc: Use image node_id 8 for calling the ErrorReport obj's underlying member method code with example usage: obj.root_stats() and returns: self