docstr: Returns a dict of initial params (by default, from the prior) to initiate the MCMC run.
  
  :return: dict of parameter values keyed by their name.
code: def initial_params(self):
      """
      Returns a dict of initial params (by default, from the prior) to initiate the MCMC run.
  
      :return: dict of parameter values keyed by their name.
      """
      raise NotImplementedError
  
file_path: pyro/pyro/infer/mcmc/mcmc_kernel.py
imports: from abc import ABCMeta, abstractmethod
label_desc: Use image node_id 6 for calling the MCMCKernel obj's underlying member method code with example usage: obj.initial_params() without return types