code: def get_bic(self):
      training_metrics = self.get_training_metrics()
      loglk = training_metrics["loglk"]
      n = loglk.shape[0] * loglk.shape[1]
      k = training_metrics["num_of_params"]
      return -2.0 * np.sum(loglk) + k * np.log(n)
  
file_path: orbit/orbit/forecaster/map.py
imports: import numpy
  import pandas
  from functools import partial
  from ..constants.constants import PredictMethod, PredictionKeys
  from ..exceptions import ForecasterException
  from ..utils.predictions import prepend_date_column, compute_percentiles
  from .forecaster import Forecaster
label_desc: Use image node_id 6 for calling the MAPForecaster obj's underlying member method code with example usage: obj.get_bic() and returns: unknown