class_docstr: Combine the sub feature analysers and plot then in a single graph
class_docstr_tok: ["Combine","the","sub","feature","analysers","and","plot","then","in","a","single","graph"]
docstr: The statistics of features are finished in the underlying analysers
code: def calc_stat_values(self):
      """The statistics of features are finished in the underlying analysers"""
  
imports: import pandas
  import numpy
  from qlib.contrib.report.data.base import FeaAnalyser
  from qlib.contrib.report.utils import sub_fig_generator
  from qlib.utils.paral import datetime_groupby_apply
  from qlib.contrib.eva.alpha import pred_autocorr_all
  from loguru import logger
  import seaborn
label_desc: Use image node_id 3 for calling the CombFeaAna obj's underlying member method code with example usage: obj.calc_stat_values() without return types