def guest_factors
    [ 1.90659,
      :times_mentioned                                =>    0.42370,
      :percentage_of_episodes_mentioned_on            => -207.41033,
      :percentage_of_episodes_of_podcast_mentioned_on =>   -5.54095,
      :number_of_people_mentioned                     =>   -0.60789,
      :name_in_title                                  =>    2.29443,
      :with_before_name_in_title                      =>    0.15975,
      :name_in_description                            =>   -0.87176,
     #:name_is_first_word_in_description              =>         NA,
      :name_in_podcast_author                         =>   -2.03856,
      :name_in_podcast_managing_editor                =>   -1.76887,
    ]
  end

  def host_factors
    [ -7.1750,
      :times_mentioned                                => -0.2052,
      :percentage_of_episodes_mentioned_on            => 68.4392,
      :percentage_of_episodes_of_podcast_mentioned_on =>  6.8068,
      :number_of_people_mentioned                     => -0.3867,
      :name_in_title                                  => -1.0571,
      :with_before_name_in_title                      => -0.9079,
      :name_in_description                            =>  5.1884,
     #:name_is_first_word_in_description              =>      NA,
      :name_in_podcast_author                         =>  2.9836,
      :name_in_podcast_managing_editor                =>  4.2747,
    ]
  end


  def neither_factors
    [ -1.065e+00,
      :times_mentioned                                => -3.673e-01,
      :percentage_of_episodes_mentioned_on            =>  1.114e+02,
      :percentage_of_episodes_of_podcast_mentioned_on => -2.204e+00,
      :number_of_people_mentioned                     =>  6.524e-01,
      :name_in_title                                  => -2.553e+00,
      :with_before_name_in_title                      => -9.051e-04,
      :name_in_description                            => -1.667e-01,
     #:name_is_first_word_in_description              =>         NA,
      :name_in_podcast_author                         => -1.259e+00,
      :name_in_podcast_managing_editor                => -1.674e+01,
    ]
  end